diff --git a/htdocs/core/modules/bank/doc/pdf_ban.modules.php b/htdocs/core/modules/bank/doc/pdf_ban.modules.php
index 1bbf2e14cc0..a87817cdc73 100644
--- a/htdocs/core/modules/bank/doc/pdf_ban.modules.php
+++ b/htdocs/core/modules/bank/doc/pdf_ban.modules.php
@@ -72,9 +72,9 @@ class pdf_ban extends ModeleBankAccountDoc
 		$this->marge_haute = isset($conf->global->MAIN_PDF_MARGIN_TOP) ? $conf->global->MAIN_PDF_MARGIN_TOP : 10;
 		$this->marge_basse = isset($conf->global->MAIN_PDF_MARGIN_BOTTOM) ? $conf->global->MAIN_PDF_MARGIN_BOTTOM : 10;
 
-		$this->option_logo = 1; // Affiche logo FAC_PDF_LOGO
-		$this->option_tva = 1; // Gere option tva FACTURE_TVAOPTION
-		$this->option_codeproduitservice = 1; // Affiche code produit-service
+		$this->option_logo = 1; // Display logo FAC_PDF_LOGO
+		$this->option_tva = 1; // Manage the vat option FACTURE_TVAOPTION
+		$this->option_codeproduitservice = 1; // Display product-service code
 
 		// Retrieves transmitter
 		$this->emetteur = $mysoc;
diff --git a/htdocs/core/modules/bank/doc/pdf_sepamandate.modules.php b/htdocs/core/modules/bank/doc/pdf_sepamandate.modules.php
index f1ebc5bf64f..49e311f1c89 100644
--- a/htdocs/core/modules/bank/doc/pdf_sepamandate.modules.php
+++ b/htdocs/core/modules/bank/doc/pdf_sepamandate.modules.php
@@ -75,9 +75,9 @@ class pdf_sepamandate extends ModeleBankAccountDoc
 		$this->marge_haute = isset($conf->global->MAIN_PDF_MARGIN_TOP) ? $conf->global->MAIN_PDF_MARGIN_TOP : 10;
 		$this->marge_basse = isset($conf->global->MAIN_PDF_MARGIN_BOTTOM) ? $conf->global->MAIN_PDF_MARGIN_BOTTOM : 10;
 
-		$this->option_logo = 1; // Affiche logo FAC_PDF_LOGO
-		$this->option_tva = 1; // Gere option tva FACTURE_TVAOPTION
-		$this->option_codeproduitservice = 1; // Affiche code produit-service
+		$this->option_logo = 1; // Display logo FAC_PDF_LOGO
+		$this->option_tva = 1; // Manage the vat option FACTURE_TVAOPTION
+		$this->option_codeproduitservice = 1; //Display product-service code
 
 		// Retrieves transmitter
 		$this->emetteur = $mysoc;
diff --git a/htdocs/core/modules/commande/doc/doc_generic_order_odt.modules.php b/htdocs/core/modules/commande/doc/doc_generic_order_odt.modules.php
index e7fe92ba9f9..239ec7639ec 100644
--- a/htdocs/core/modules/commande/doc/doc_generic_order_odt.modules.php
+++ b/htdocs/core/modules/commande/doc/doc_generic_order_odt.modules.php
@@ -3,7 +3,7 @@
  * Copyright (C) 2012		Juanjo Menent		<jmenent@2byte.es>
  * Copyright (C) 2014		Marcos García		<marcosgdf@gmail.com>
  * Copyright (C) 2016		Charlie Benke		<charlie@patas-monkey.com>
- * Copyright (C) 2018-2019  Philippe Grand      <philippe.grand@atoo-net.com>
+ * Copyright (C) 2018-2021  Philippe Grand      <philippe.grand@atoo-net.com>
  * Copyright (C) 2018-2019  Frédéric France     <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -85,13 +85,13 @@ class doc_generic_order_odt extends ModelePDFCommandes
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva COMMANDE_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option COMMANDE_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
diff --git a/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php b/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
index c8d1748124a..b1e441175d9 100644
--- a/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
+++ b/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
@@ -84,13 +84,13 @@ class doc_generic_contract_odt extends ModelePDFContract
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva CONTRACT_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat CONTRACT_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
diff --git a/htdocs/core/modules/expedition/doc/doc_generic_shipment_odt.modules.php b/htdocs/core/modules/expedition/doc/doc_generic_shipment_odt.modules.php
index 2eaca54b697..8a2b6b2b121 100644
--- a/htdocs/core/modules/expedition/doc/doc_generic_shipment_odt.modules.php
+++ b/htdocs/core/modules/expedition/doc/doc_generic_shipment_odt.modules.php
@@ -3,7 +3,7 @@
  * Copyright (C) 2012		Juanjo Menent		<jmenent@2byte.es>
  * Copyright (C) 2014		Marcos García		<marcosgdf@gmail.com>
  * Copyright (C) 2016		Charlie Benke		<charlie@patas-monkey.com>
- * Copyright (C) 2018-2019  Philippe Grand      <philippe.grand@atoo-net.com>
+ * Copyright (C) 2018-2021  Philippe Grand      <philippe.grand@atoo-net.com>
  * Copyright (C) 2018-2019  Frédéric France     <frederic.france@netlogic.fr>
  *
 * This program is free software; you can redistribute it and/or modify
@@ -86,13 +86,13 @@ class doc_generic_shipment_odt extends ModelePdfExpedition
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva EXPEDITION_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option EXPEDITION_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
diff --git a/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php b/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
index 42999248026..aed43ea40ac 100644
--- a/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
@@ -139,7 +139,7 @@ class pdf_espadon extends ModelePdfExpedition
 		$this->marge_haute = isset($conf->global->MAIN_PDF_MARGIN_TOP) ? $conf->global->MAIN_PDF_MARGIN_TOP : 10;
 		$this->marge_basse = isset($conf->global->MAIN_PDF_MARGIN_BOTTOM) ? $conf->global->MAIN_PDF_MARGIN_BOTTOM : 10;
 
-		$this->option_logo = 1;
+		$this->option_logo = 1; // Display logo
 
 		// Get source company
 		$this->emetteur = $mysoc;
diff --git a/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php b/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
index 1815321ab18..b1f48450d0d 100644
--- a/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
@@ -1,7 +1,7 @@
 <?php
 /* Copyright (C) 2015       Laurent Destailleur     <eldy@users.sourceforge.net>
  * Copyright (C) 2015       Alexandre Spangaro      <aspangaro@open-dsi.fr>
- * Copyright (C) 2016-2019  Philippe Grand          <philippe.grand@atoo-net.com>
+ * Copyright (C) 2016-2021  Philippe Grand          <philippe.grand@atoo-net.com>
  * Copyright (C) 2018-2020  Frédéric France         <frederic.france@netlogic.fr>
  * Copyright (C) 2018       Francis Appels          <francis.appels@z-application.com>
  * Copyright (C) 2019       Markus Welters          <markus@welters.de>
@@ -151,13 +151,13 @@ class pdf_standard extends ModeleExpenseReport
 		$this->marge_haute = isset($conf->global->MAIN_PDF_MARGIN_TOP) ? $conf->global->MAIN_PDF_MARGIN_TOP : 10;
 		$this->marge_basse = isset($conf->global->MAIN_PDF_MARGIN_BOTTOM) ? $conf->global->MAIN_PDF_MARGIN_BOTTOM : 10;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 1; // Gere option tva FACTURE_TVAOPTION
-		$this->option_modereg = 1; // Affiche mode reglement
-		$this->option_condreg = 1; // Affiche conditions reglement
-		$this->option_codeproduitservice = 1; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 1; // Manage the vat option FACTURE_TVAOPTION
+		$this->option_modereg = 1; // Display payment mode
+		$this->option_condreg = 1; // Display payment terms
+		$this->option_codeproduitservice = 1; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 1; // Support add of a watermark on drafts
diff --git a/htdocs/core/modules/facture/doc/doc_generic_invoice_odt.modules.php b/htdocs/core/modules/facture/doc/doc_generic_invoice_odt.modules.php
index 98269a0f019..0d360269d46 100644
--- a/htdocs/core/modules/facture/doc/doc_generic_invoice_odt.modules.php
+++ b/htdocs/core/modules/facture/doc/doc_generic_invoice_odt.modules.php
@@ -85,13 +85,13 @@ class doc_generic_invoice_odt extends ModelePDFFactures
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva FACTURE_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option FACTURE_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
diff --git a/htdocs/core/modules/member/doc/doc_generic_member_odt.class.php b/htdocs/core/modules/member/doc/doc_generic_member_odt.class.php
index 120efe93cf7..939c78f32e3 100644
--- a/htdocs/core/modules/member/doc/doc_generic_member_odt.class.php
+++ b/htdocs/core/modules/member/doc/doc_generic_member_odt.class.php
@@ -81,13 +81,13 @@ class doc_generic_member_odt extends ModelePDFMember
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva MEMBER_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option FACTURE_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
diff --git a/htdocs/core/modules/movement/doc/pdf_standard.modules.php b/htdocs/core/modules/movement/doc/pdf_standard.modules.php
index 872890958ff..e029c4d5d66 100644
--- a/htdocs/core/modules/movement/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/movement/doc/pdf_standard.modules.php
@@ -137,12 +137,12 @@ class pdf_stdandard extends ModelePDFMovement
 		$this->marge_haute = isset($conf->global->MAIN_PDF_MARGIN_TOP) ? $conf->global->MAIN_PDF_MARGIN_TOP : 10;
 		$this->marge_basse = isset($conf->global->MAIN_PDF_MARGIN_BOTTOM) ? $conf->global->MAIN_PDF_MARGIN_BOTTOM : 10;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_codestockservice = 0; // Affiche code stock-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
+		$this->option_logo = 1; // Display logo
+		$this->option_codestockservice = 0; // Display stock-service code
+		$this->option_multilang = 1; // Available in several languages
 		$this->option_freetext = 0; // Support add of a personalised text
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/core/modules/mrp/doc/doc_generic_mo_odt.modules.php b/htdocs/core/modules/mrp/doc/doc_generic_mo_odt.modules.php
index ac920d69269..e93ecd1af0a 100644
--- a/htdocs/core/modules/mrp/doc/doc_generic_mo_odt.modules.php
+++ b/htdocs/core/modules/mrp/doc/doc_generic_mo_odt.modules.php
@@ -3,7 +3,7 @@
  * Copyright (C) 2012		Juanjo Menent		<jmenent@2byte.es>
  * Copyright (C) 2014		Marcos García		<marcosgdf@gmail.com>
  * Copyright (C) 2016		Charlie Benke		<charlie@patas-monkey.com>
- * Copyright (C) 2018-2019  Philippe Grand      <philippe.grand@atoo-net.com>
+ * Copyright (C) 2018-2021  Philippe Grand      <philippe.grand@atoo-net.com>
  * Copyright (C) 2018       Frédéric France     <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -85,18 +85,18 @@ class doc_generic_mo_odt extends ModelePDFMo
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/core/modules/product/doc/doc_generic_product_odt.modules.php b/htdocs/core/modules/product/doc/doc_generic_product_odt.modules.php
index b2d45a7ab6e..1acf50dd95a 100644
--- a/htdocs/core/modules/product/doc/doc_generic_product_odt.modules.php
+++ b/htdocs/core/modules/product/doc/doc_generic_product_odt.modules.php
@@ -83,18 +83,18 @@ class doc_generic_product_odt extends ModelePDFProduct
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva PRODUCT_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option PRODUCT_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/core/modules/product/doc/pdf_standard.modules.php b/htdocs/core/modules/product/doc/pdf_standard.modules.php
index 99b6ff69236..815fc4d1c66 100644
--- a/htdocs/core/modules/product/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/product/doc/pdf_standard.modules.php
@@ -137,12 +137,12 @@ class pdf_standard extends ModelePDFProduct
 		$this->marge_haute = isset($conf->global->MAIN_PDF_MARGIN_TOP) ? $conf->global->MAIN_PDF_MARGIN_TOP : 10;
 		$this->marge_basse = isset($conf->global->MAIN_PDF_MARGIN_BOTTOM) ? $conf->global->MAIN_PDF_MARGIN_BOTTOM : 10;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
+		$this->option_logo = 1; // Display logo
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
 		$this->option_freetext = 0; // Support add of a personalised text
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php b/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
index 52d56812d68..233180630b0 100644
--- a/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
+++ b/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
@@ -120,18 +120,18 @@ class doc_generic_project_odt extends ModelePDFProjects
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva COMMANDE_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option COMMANDE_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->pays_code) {
 			$this->emetteur->pays_code = substr($langs->defaultlang, -2); // Par defaut, si n'etait pas defini
diff --git a/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php b/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php
index 961dab003e1..566c7f07a2e 100644
--- a/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php
+++ b/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php
@@ -121,21 +121,21 @@ class doc_generic_task_odt extends ModelePDFTask
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva COMMANDE_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 0; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option COMMANDE_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 0; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->pays_code) {
-			$this->emetteur->pays_code = substr($langs->defaultlang, -2); // Par defaut, si n'etait pas defini
+			$this->emetteur->pays_code = substr($langs->defaultlang, -2); // By default, if was not defined
 		}
 	}
 
diff --git a/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php b/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php
index e892e9a7252..9c7e0af4df0 100644
--- a/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php
+++ b/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php
@@ -82,18 +82,18 @@ class doc_generic_proposal_odt extends ModelePDFPropales
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva PROPALE_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option PROPALE_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/core/modules/reception/doc/doc_generic_reception_odt.modules.php b/htdocs/core/modules/reception/doc/doc_generic_reception_odt.modules.php
index a6701fe8bcd..93dbc4995b4 100644
--- a/htdocs/core/modules/reception/doc/doc_generic_reception_odt.modules.php
+++ b/htdocs/core/modules/reception/doc/doc_generic_reception_odt.modules.php
@@ -80,18 +80,18 @@ class doc_generic_reception_odt extends ModelePdfReception
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva RECEPTION_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option RECEPTION_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/core/modules/reception/doc/pdf_squille.modules.php b/htdocs/core/modules/reception/doc/pdf_squille.modules.php
index 0e4474b6b8c..f7ba7a42842 100644
--- a/htdocs/core/modules/reception/doc/pdf_squille.modules.php
+++ b/htdocs/core/modules/reception/doc/pdf_squille.modules.php
@@ -32,7 +32,11 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php';
  */
 class pdf_squille extends ModelePdfReception
 {
-	public $emetteur; // Objet societe qui emet
+	/**
+	 * Issuer
+	 * @var Societe object that emits
+	 */
+	public $emetteur;
 
 
 	/**
@@ -58,7 +62,7 @@ class pdf_squille extends ModelePdfReception
 		$this->marge_haute = isset($conf->global->MAIN_PDF_MARGIN_TOP) ? $conf->global->MAIN_PDF_MARGIN_TOP : 10;
 		$this->marge_basse = isset($conf->global->MAIN_PDF_MARGIN_BOTTOM) ? $conf->global->MAIN_PDF_MARGIN_BOTTOM : 10;
 
-		$this->option_logo = 1;
+		$this->option_logo = 1; // Display logo
 
 		// Get source company
 		$this->emetteur = $mysoc;
diff --git a/htdocs/core/modules/societe/doc/doc_generic_odt.modules.php b/htdocs/core/modules/societe/doc/doc_generic_odt.modules.php
index 900c7e465df..fdafb22e96b 100644
--- a/htdocs/core/modules/societe/doc/doc_generic_odt.modules.php
+++ b/htdocs/core/modules/societe/doc/doc_generic_odt.modules.php
@@ -76,12 +76,12 @@ class doc_generic_odt extends ModeleThirdPartyDoc
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
+		$this->option_logo = 1; // Display logo
 
 		// Retrieves transmitter
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
-			$this->emetteur->country_code = substr($langs->defaultlang, -2); // Par defaut, si n'etait pas defini
+			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default, if was not defined
 		}
 	}
 
diff --git a/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php b/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php
index ccd66610f55..5ca5019588a 100644
--- a/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php
+++ b/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php
@@ -82,18 +82,18 @@ class doc_generic_stock_odt extends ModelePDFStock
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva STOCK_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option STOCK_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/core/modules/stock/doc/pdf_standard.modules.php b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
index b0cc07dcb62..ebc109151d6 100644
--- a/htdocs/core/modules/stock/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
@@ -137,12 +137,12 @@ class pdf_standard extends ModelePDFStock
 		$this->marge_haute = isset($conf->global->MAIN_PDF_MARGIN_TOP) ? $conf->global->MAIN_PDF_MARGIN_TOP : 10;
 		$this->marge_basse = isset($conf->global->MAIN_PDF_MARGIN_BOTTOM) ? $conf->global->MAIN_PDF_MARGIN_BOTTOM : 10;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_codestockservice = 0; // Affiche code stock-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
+		$this->option_logo = 1; // Display logo
+		$this->option_codestockservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
 		$this->option_freetext = 0; // Support add of a personalised text
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/core/modules/supplier_order/doc/doc_generic_supplier_order_odt.modules.php b/htdocs/core/modules/supplier_order/doc/doc_generic_supplier_order_odt.modules.php
index 285ea50bebe..3a2775bef82 100644
--- a/htdocs/core/modules/supplier_order/doc/doc_generic_supplier_order_odt.modules.php
+++ b/htdocs/core/modules/supplier_order/doc/doc_generic_supplier_order_odt.modules.php
@@ -86,13 +86,13 @@ class doc_generic_supplier_order_odt extends ModelePDFSuppliersOrders
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva COMMANDE_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option COMMANDE_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
diff --git a/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php b/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php
index 245897e1956..dc898c98cb5 100644
--- a/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php
+++ b/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php
@@ -148,13 +148,13 @@ class pdf_cornas extends ModelePDFSuppliersOrders
 		$this->marge_haute = isset($conf->global->MAIN_PDF_MARGIN_TOP) ? $conf->global->MAIN_PDF_MARGIN_TOP : 10;
 		$this->marge_basse = isset($conf->global->MAIN_PDF_MARGIN_BOTTOM) ? $conf->global->MAIN_PDF_MARGIN_BOTTOM : 10;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 1; // Gere option tva FACTURE_TVAOPTION
-		$this->option_modereg = 1; // Affiche mode reglement
-		$this->option_condreg = 1; // Affiche conditions reglement
-		$this->option_codeproduitservice = 1; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 1; // Manage the vat option FACTURE_TVAOPTION
+		$this->option_modereg = 1; // Display payment mode
+		$this->option_condreg = 1; // Display payment terms
+		$this->option_codeproduitservice = 1; // Display product-service code
+		$this->option_multilang = 1; //Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 1; // Support add of a watermark on drafts
diff --git a/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php b/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php
index ead5664c04a..717818448ec 100644
--- a/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php
+++ b/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php
@@ -84,13 +84,13 @@ class doc_generic_supplier_proposal_odt extends ModelePDFSupplierProposal
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva PROPALE_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option PROPALE_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
diff --git a/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php b/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
index cbcec7cfdd9..5bd9b8cf339 100644
--- a/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
+++ b/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
@@ -145,13 +145,13 @@ class pdf_aurore extends ModelePDFSupplierProposal
 		$this->marge_haute = isset($conf->global->MAIN_PDF_MARGIN_TOP) ? $conf->global->MAIN_PDF_MARGIN_TOP : 10;
 		$this->marge_basse = isset($conf->global->MAIN_PDF_MARGIN_BOTTOM) ? $conf->global->MAIN_PDF_MARGIN_BOTTOM : 10;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 1; // Gere option tva FACTURE_TVAOPTION
-		$this->option_modereg = 1; // Affiche mode reglement
-		$this->option_condreg = 1; // Affiche conditions reglement
-		$this->option_codeproduitservice = 1; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 1; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 1; // Manage the vat option FACTURE_TVAOPTION
+		$this->option_modereg = 1; // Display payment mode
+		$this->option_condreg = 1; // Display payment terms
+		$this->option_codeproduitservice = 1; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 1; // Displays if there has been a discount
 		$this->option_credit_note = 1; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 1; //Support add of a watermark on drafts
diff --git a/htdocs/core/modules/ticket/doc/doc_generic_ticket_odt.modules.php b/htdocs/core/modules/ticket/doc/doc_generic_ticket_odt.modules.php
index 1bb48b82b42..2e6172d4181 100644
--- a/htdocs/core/modules/ticket/doc/doc_generic_ticket_odt.modules.php
+++ b/htdocs/core/modules/ticket/doc/doc_generic_ticket_odt.modules.php
@@ -81,13 +81,13 @@ class doc_generic_ticket_odt extends ModelePDFTicket
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva USER_TVAOPTION
-		$this->option_multilang = 1; // Dispo en plusieurs langues
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option USER_TVAOPTION
+		$this->option_multilang = 1; // Available in several languages
 		$this->option_freetext = 0; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php b/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
index 80bbd0f2905..b0d98a525df 100644
--- a/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
+++ b/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
@@ -81,18 +81,18 @@ class doc_generic_user_odt extends ModelePDFUser
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva USER_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option USER_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php b/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
index 9ea1a27f045..5a1bca6377d 100644
--- a/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
+++ b/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
@@ -84,18 +84,18 @@ class doc_generic_usergroup_odt extends ModelePDFUserGroup
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva USERGROUP_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option USERGROUP_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/expedition/card.php b/htdocs/expedition/card.php
index 02ac007d30f..582b23aec45 100644
--- a/htdocs/expedition/card.php
+++ b/htdocs/expedition/card.php
@@ -1020,6 +1020,9 @@ if ($action == 'create') {
 			// Load shipments already done for same order
 			$object->loadExpeditions();
 
+
+			$alreadyQtyBatchSetted = $alreadyQtySetted = array();
+
 			if ($numAsked) {
 				print '<tr class="liste_titre">';
 				print '<td>'.$langs->trans("Description").'</td>';
@@ -1044,6 +1047,15 @@ if ($action == 'create') {
 				print "</tr>\n";
 			}
 
+			$warehouse_id = GETPOST('entrepot_id', 'int');
+			$warehousePicking = array();
+			// get all warehouse children for picking
+			if ($warehouse_id > 0) {
+				$warehousePicking[] = $warehouse_id;
+				$warehouseObj = new Entrepot($db);
+				$warehouseObj->get_children_warehouses($warehouse_id, $warehousePicking);
+			}
+
 			$indiceAsked = 0;
 			while ($indiceAsked < $numAsked) {
 				$product = new Product($db);
@@ -1142,10 +1154,9 @@ if ($action == 'create') {
 					} else {
 						$quantityToBeDelivered = $quantityAsked - $quantityDelivered;
 					}
-					$warehouse_id = GETPOST('entrepot_id', 'int');
 
 					$warehouseObject = null;
-					if ($warehouse_id > 0 || !($line->fk_product > 0) || empty($conf->stock->enabled)) {     // If warehouse was already selected or if product is not a predefined, we go into this part with no multiwarehouse selection
+					if (count($warehousePicking) == 1 || !($line->fk_product > 0) || empty($conf->stock->enabled)) {     // If warehouse was already selected or if product is not a predefined, we go into this part with no multiwarehouse selection
 						print '<!-- Case warehouse already known or product not a predefined product -->';
 						//ship from preselected location
 						$stock = + $product->stock_warehouse[$warehouse_id]->real; // Convert to number
@@ -1293,6 +1304,7 @@ if ($action == 'create') {
 							$subj = 0;
 							// Define nb of lines suggested for this order line
 							$nbofsuggested = 0;
+
 							foreach ($product->stock_warehouse as $warehouse_id => $stock_warehouse) {
 								if ($stock_warehouse->real > 0) {
 									$nbofsuggested++;
@@ -1300,6 +1312,11 @@ if ($action == 'create') {
 							}
 							$tmpwarehouseObject = new Entrepot($db);
 							foreach ($product->stock_warehouse as $warehouse_id => $stock_warehouse) {    // $stock_warehouse is product_stock
+								if (!empty($warehousePicking) && !in_array($warehouse_id, $warehousePicking)) {
+									// if a warehouse was selected by user, picking is limited to this warehouse and his children
+									continue;
+								}
+
 								$tmpwarehouseObject->fetch($warehouse_id);
 								if ($stock_warehouse->real > 0) {
 									$stock = + $stock_warehouse->real; // Convert it to number
@@ -1309,7 +1326,31 @@ if ($action == 'create') {
 									print '<!-- subj='.$subj.'/'.$nbofsuggested.' --><tr '.((($subj + 1) == $nbofsuggested) ? $bc[$var] : '').'>';
 									print '<td colspan="3" ></td><td class="center"><!-- qty to ship (no lot management for product line indiceAsked='.$indiceAsked.') -->';
 									if ($line->product_type == Product::TYPE_PRODUCT || !empty($conf->global->STOCK_SUPPORTS_SERVICES)) {
-										print '<input name="qtyl'.$indiceAsked.'_'.$subj.'" id="qtyl'.$indiceAsked.'" type="text" size="4" value="'.$deliverableQty.'">';
+										if (isset($alreadyQtySetted[$line->fk_product][intval($warehouse_id)])) {
+											$deliverableQty = min($quantityToBeDelivered, $stock - $alreadyQtySetted[$line->fk_product][intval($warehouse_id)]);
+										} else {
+											if (!isset($alreadyQtySetted[$line->fk_product])) {
+												$alreadyQtySetted[$line->fk_product] = array();
+											}
+
+											$deliverableQty = min($quantityToBeDelivered, $stock);
+										}
+
+										if ($deliverableQty < 0) $deliverableQty = 0;
+
+										$tooltip = '';
+										if (!empty($alreadyQtySetted[$line->fk_product][intval($warehouse_id)])) {
+											$tooltip = ' class="classfortooltip" title="'.$langs->trans('StockQuantitiesAlreadyAllocatedOnPreviousLines').' : '.$alreadyQtySetted[$line->fk_product][intval($warehouse_id)].'" ';
+										}
+
+										$alreadyQtySetted[$line->fk_product][intval($warehouse_id)] = $deliverableQty + $alreadyQtySetted[$line->fk_product][intval($warehouse_id)];
+
+										$inputName = 'qtyl'.$indiceAsked.'_'.$subj;
+										if (GETPOSTISSET($inputName)) {
+											$deliverableQty = GETPOST($inputName, 'int');
+										}
+
+										print '<input '.$tooltip.' name="qtyl'.$indiceAsked.'_'.$subj.'" id="qtyl'.$indiceAsked.'" type="text" size="4" value="'.$deliverableQty.'">';
 										print '<input name="ent1'.$indiceAsked.'_'.$subj.'" type="hidden" value="'.$warehouse_id.'">';
 									} else {
 										print $langs->trans("NA");
@@ -1366,27 +1407,50 @@ if ($action == 'create') {
 
 							$tmpwarehouseObject = new Entrepot($db);
 							$productlotObject = new Productlot($db);
+
 							// Define nb of lines suggested for this order line
 							$nbofsuggested = 0;
 							foreach ($product->stock_warehouse as $warehouse_id => $stock_warehouse) {
 								if (($stock_warehouse->real > 0) && (count($stock_warehouse->detail_batch))) {
-									foreach ($stock_warehouse->detail_batch as $dbatch) {
-										$nbofsuggested++;
-									}
+									$nbofsuggested+=count($stock_warehouse->detail_batch);
 								}
 							}
+
 							foreach ($product->stock_warehouse as $warehouse_id => $stock_warehouse) {
 								$tmpwarehouseObject->fetch($warehouse_id);
 								if (($stock_warehouse->real > 0) && (count($stock_warehouse->detail_batch))) {
 									foreach ($stock_warehouse->detail_batch as $dbatch) {
-										//var_dump($dbatch);
 										$batchStock = + $dbatch->qty; // To get a numeric
-										$deliverableQty = min($quantityToBeDelivered, $batchStock);
-										if ($deliverableQty < 0) {
-											$deliverableQty = 0;
+										if (isset($alreadyQtyBatchSetted[$line->fk_product][$dbatch->batch][intval($warehouse_id)])) {
+											$deliverableQty = min($quantityToBeDelivered, $batchStock - $alreadyQtyBatchSetted[$line->fk_product][$dbatch->batch][intval($warehouse_id)]);
+										} else {
+											if (!isset($alreadyQtyBatchSetted[$line->fk_product])) {
+												$alreadyQtyBatchSetted[$line->fk_product] = array();
+											}
+
+											if (!isset($alreadyQtyBatchSetted[$line->fk_product][$dbatch->batch])) {
+												$alreadyQtyBatchSetted[$line->fk_product][$dbatch->batch] = array();
+											}
+
+											$deliverableQty = min($quantityToBeDelivered, $batchStock);
 										}
+
+										if ($deliverableQty < 0) $deliverableQty = 0;
+
+										$inputName = 'qtyl'.$indiceAsked.'_'.$subj;
+										if (GETPOSTISSET($inputName)) {
+											$deliverableQty = GETPOST($inputName, 'int');
+										}
+
+										$tooltipClass = $tooltipTitle = '';
+										if (!empty($alreadyQtyBatchSetted[$line->fk_product][$dbatch->batch][intval($warehouse_id)])) {
+											$tooltipClass = ' classfortooltip';
+											$tooltipTitle = $langs->trans('StockQuantitiesAlreadyAllocatedOnPreviousLines').' : '.$alreadyQtyBatchSetted[$line->fk_product][$dbatch->batch][intval($warehouse_id)];
+										}
+										$alreadyQtyBatchSetted[$line->fk_product][$dbatch->batch][intval($warehouse_id)] = $deliverableQty + $alreadyQtyBatchSetted[$line->fk_product][$dbatch->batch][intval($warehouse_id)];
+
 										print '<!-- subj='.$subj.'/'.$nbofsuggested.' --><tr '.((($subj + 1) == $nbofsuggested) ? $bc[$var] : '').'><td colspan="3"></td><td class="center">';
-										print '<input class="qtyl" name="qtyl'.$indiceAsked.'_'.$subj.'" id="qtyl'.$indiceAsked.'_'.$subj.'" type="text" size="4" value="'.$deliverableQty.'">';
+										print '<input class="qtyl '.$tooltipClass.'" title="'.$tooltipTitle.'" name="'.$inputName.'" id="'.$inputName.'" type="text" size="4" value="'.$deliverableQty.'">';
 										print '</td>';
 
 										print '<td class="left">';
diff --git a/htdocs/langs/en_US/deliveries.lang b/htdocs/langs/en_US/deliveries.lang
index fdfd6404a8a..cd8a36e6c70 100644
--- a/htdocs/langs/en_US/deliveries.lang
+++ b/htdocs/langs/en_US/deliveries.lang
@@ -30,3 +30,4 @@ NonShippable=Not Shippable
 ShowShippableStatus=Show shippable status
 ShowReceiving=Show delivery receipt
 NonExistentOrder=Nonexistent order
+StockQuantitiesAlreadyAllocatedOnPreviousLines = Stock quantities already allocated on previous lines
diff --git a/htdocs/langs/fr_FR/deliveries.lang b/htdocs/langs/fr_FR/deliveries.lang
index bd13cce814c..6af98a54d4f 100644
--- a/htdocs/langs/fr_FR/deliveries.lang
+++ b/htdocs/langs/fr_FR/deliveries.lang
@@ -30,3 +30,4 @@ NonShippable=Non expédiable
 ShowShippableStatus=Afficher le statut Expédiable
 ShowReceiving=Afficher le bon de réception
 NonExistentOrder=Commande inexistante
+StockQuantitiesAlreadyAllocatedOnPreviousLines = Qtés de stock déja attribuées sur une ou des lignes précédentes
diff --git a/htdocs/modulebuilder/template/core/modules/mymodule/doc/doc_generic_myobject_odt.modules.php b/htdocs/modulebuilder/template/core/modules/mymodule/doc/doc_generic_myobject_odt.modules.php
index a74de9d7f9b..f3228915592 100644
--- a/htdocs/modulebuilder/template/core/modules/mymodule/doc/doc_generic_myobject_odt.modules.php
+++ b/htdocs/modulebuilder/template/core/modules/mymodule/doc/doc_generic_myobject_odt.modules.php
@@ -3,7 +3,7 @@
  * Copyright (C) 2012		Juanjo Menent		<jmenent@2byte.es>
  * Copyright (C) 2014		Marcos García		<marcosgdf@gmail.com>
  * Copyright (C) 2016		Charlie Benke		<charlie@patas-monkey.com>
- * Copyright (C) 2018-2019  Philippe Grand      <philippe.grand@atoo-net.com>
+ * Copyright (C) 2018-2021  Philippe Grand      <philippe.grand@atoo-net.com>
  * Copyright (C) 2018       Frédéric France     <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -85,18 +85,18 @@ class doc_generic_myobject_odt extends ModelePDFMyObject
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option FACTURE_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined
diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index b0f8ee1aa8d..9957641c13b 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -5192,6 +5192,8 @@ class Product extends CommonObject
 			$sql .= " AND w.statut IN (".$this->db->sanitize(implode(',', $warehouseStatus)).")";
 		}
 
+		$sql .= " ORDER BY ps.reel ".(!empty($conf->global->DO_NOT_TRY_TO_DEFRAGMENT_STOCKS_WAREHOUSE)?'DESC':'ASC'); // Note : qty ASC is important for expedition card, to avoid stock fragmentation;
+
 		dol_syslog(get_class($this)."::load_stock", LOG_DEBUG);
 		$result = $this->db->query($sql);
 		if ($result) {
diff --git a/htdocs/product/class/productbatch.class.php b/htdocs/product/class/productbatch.class.php
index 529284af464..f10adee334e 100644
--- a/htdocs/product/class/productbatch.class.php
+++ b/htdocs/product/class/productbatch.class.php
@@ -436,7 +436,7 @@ class Productbatch extends CommonObject
 	 */
 	public static function findAll($db, $fk_product_stock, $with_qty = 0, $fk_product = 0)
 	{
-		global $langs;
+		global $langs, $conf;
 		$ret = array();
 
 		$sql = "SELECT";
@@ -462,6 +462,12 @@ class Productbatch extends CommonObject
 			$sql .= " AND t.qty <> 0";
 		}
 
+		$sql .= " ORDER BY ";
+		// TODO : use product lifo and fifo when product will implement it
+		if ($fk_product > 0) { $sql .= "pl.eatby ASC, pl.sellby ASC, "; }
+		$sql .= "t.eatby ASC, t.sellby ASC ";
+		$sql .= ", t.qty ".(!empty($conf->global->DO_NOT_TRY_TO_DEFRAGMENT_STOCKS_WAREHOUSE)?'DESC':'ASC'); // Note : qty ASC is important for expedition card, to avoid stock fragmentation
+
 		dol_syslog("productbatch::findAll", LOG_DEBUG);
 		$resql = $db->query($sql);
 		if ($resql) {
diff --git a/htdocs/recruitment/core/modules/recruitment/doc/doc_generic_recruitmentjobposition_odt.modules.php b/htdocs/recruitment/core/modules/recruitment/doc/doc_generic_recruitmentjobposition_odt.modules.php
index 47867e40c5f..06b24ec8b65 100644
--- a/htdocs/recruitment/core/modules/recruitment/doc/doc_generic_recruitmentjobposition_odt.modules.php
+++ b/htdocs/recruitment/core/modules/recruitment/doc/doc_generic_recruitmentjobposition_odt.modules.php
@@ -3,7 +3,7 @@
  * Copyright (C) 2012		Juanjo Menent		<jmenent@2byte.es>
  * Copyright (C) 2014		Marcos García		<marcosgdf@gmail.com>
  * Copyright (C) 2016		Charlie Benke		<charlie@patas-monkey.com>
- * Copyright (C) 2018-2019  Philippe Grand      <philippe.grand@atoo-net.com>
+ * Copyright (C) 2018-2021  Philippe Grand      <philippe.grand@atoo-net.com>
  * Copyright (C) 2018       Frédéric France     <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -85,18 +85,18 @@ class doc_generic_recruitmentjobposition_odt extends ModelePDFRecruitmentJobPosi
 		$this->marge_haute = 0;
 		$this->marge_basse = 0;
 
-		$this->option_logo = 1; // Affiche logo
-		$this->option_tva = 0; // Gere option tva COMMANDE_TVAOPTION
-		$this->option_modereg = 0; // Affiche mode reglement
-		$this->option_condreg = 0; // Affiche conditions reglement
-		$this->option_codeproduitservice = 0; // Affiche code produit-service
-		$this->option_multilang = 1; // Dispo en plusieurs langues
-		$this->option_escompte = 0; // Affiche si il y a eu escompte
+		$this->option_logo = 1; // Display logo
+		$this->option_tva = 0; // Manage the vat option COMMANDE_TVAOPTION
+		$this->option_modereg = 0; // Display payment mode
+		$this->option_condreg = 0; // Display payment terms
+		$this->option_codeproduitservice = 0; // Display product-service code
+		$this->option_multilang = 1; // Available in several languages
+		$this->option_escompte = 0; // Displays if there has been a discount
 		$this->option_credit_note = 0; // Support credit notes
 		$this->option_freetext = 1; // Support add of a personalised text
 		$this->option_draft_watermark = 0; // Support add of a watermark on drafts
 
-		// Recupere emetteur
+		// Get source company
 		$this->emetteur = $mysoc;
 		if (!$this->emetteur->country_code) {
 			$this->emetteur->country_code = substr($langs->defaultlang, -2); // By default if not defined