diff --git a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
index 0ed0134a944..20d38ed3805 100644
--- a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
+++ b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
@@ -575,7 +575,7 @@ class pdf_einstein extends ModelePDFCommandes
 					}
 					$this->tva[$vatrate] += $tvaligne;
 					$vatcode = $object->lines[$i]->vat_src_code;
-					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=>$tvaligne);
+					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=> $this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')]['amount'] + $tvaligne);
 
 					// Add line
 					if (!empty($conf->global->MAIN_PDF_DASH_BETWEEN_LINES) && $i < ($nblines - 1)) {
diff --git a/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php b/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
index a901a23cc69..5cf7ce6645b 100644
--- a/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
+++ b/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
@@ -800,7 +800,7 @@ class pdf_eratosthene extends ModelePDFCommandes
 					}
 					$this->tva[$vatrate] += $tvaligne;
 					$vatcode = $object->lines[$i]->vat_src_code;
-					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=>$tvaligne);
+					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=> $this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')]['amount'] + $tvaligne);
 
 					// Add line
 					if (!empty($conf->global->MAIN_PDF_DASH_BETWEEN_LINES) && $i < ($nblines - 1)) {
diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index be42ab002d5..b1ab0f671b9 100644
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -749,9 +749,9 @@ class pdf_crabe extends ModelePDFFactures
 					if (!isset($this->tva[$vatrate])) {
 						$this->tva[$vatrate] = 0;
 					}
-					$this->tva[$vatrate] += $tvaligne;
+					$this->tva[$vatrate] += $tvaligne;	// ->tva is abandonned, we use now ->tva_array that is more complete
 					$vatcode = $object->lines[$i]->vat_src_code;
-					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=>$tvaligne);
+					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=> $this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')]['amount'] + $tvaligne);
 
 					if ($posYAfterImage > $posYAfterDescription) {
 						$nexY = $posYAfterImage;
diff --git a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
index 2def31cbf30..c1413a103f8 100644
--- a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
@@ -887,9 +887,9 @@ class pdf_sponge extends ModelePDFFactures
 					if (!isset($this->tva[$vatrate])) {
 						$this->tva[$vatrate] = 0;
 					}
-					$this->tva[$vatrate] += $tvaligne;
+					$this->tva[$vatrate] += $tvaligne;	// ->tva is abandonned, we use now ->tva_array that is more complete
 					$vatcode = $object->lines[$i]->vat_src_code;
-					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=>$tvaligne);
+					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=> $this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')]['amount'] + $tvaligne);
 
 					$nexY = max($nexY, $posYAfterImage);
 
diff --git a/htdocs/core/modules/propale/doc/pdf_azur.modules.php b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
index ea2ea8add99..5e5a8ded7c5 100644
--- a/htdocs/core/modules/propale/doc/pdf_azur.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
@@ -685,7 +685,7 @@ class pdf_azur extends ModelePDFPropales
 					}
 					$this->tva[$vatrate] += $tvaligne;
 					$vatcode = $object->lines[$i]->vat_src_code;
-					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=>$tvaligne);
+					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=> $this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')]['amount'] + $tvaligne);
 
 					if ($posYAfterImage > $posYAfterDescription) {
 						$nexY = $posYAfterImage;
diff --git a/htdocs/core/modules/propale/doc/pdf_cyan.modules.php b/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
index 9963ecd9527..01cc1eebc9f 100644
--- a/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
@@ -810,7 +810,7 @@ class pdf_cyan extends ModelePDFPropales
 					}
 					$this->tva[$vatrate] += $tvaligne;
 					$vatcode = $object->lines[$i]->vat_src_code;
-					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=>$tvaligne);
+					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=> $this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')]['amount'] + $tvaligne);
 
 					if ($posYAfterImage > $posYAfterDescription) {
 						$nexY = max($nexY, $posYAfterImage);
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 59f4067cf31..f844a5fad55 100644
--- a/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php
+++ b/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php
@@ -746,7 +746,7 @@ class pdf_cornas extends ModelePDFSuppliersOrders
 					}
 					$this->tva[$vatrate] += $tvaligne;
 					$vatcode = $object->lines[$i]->vat_src_code;
-					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=>$tvaligne);
+					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=> $this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')]['amount'] + $tvaligne);
 
 					if ($posYAfterImage > $posYAfterDescription) {
 						$nexY = $posYAfterImage;
diff --git a/htdocs/core/modules/supplier_order/doc/pdf_muscadet.modules.php b/htdocs/core/modules/supplier_order/doc/pdf_muscadet.modules.php
index 3f7e6181913..d5003c4b806 100644
--- a/htdocs/core/modules/supplier_order/doc/pdf_muscadet.modules.php
+++ b/htdocs/core/modules/supplier_order/doc/pdf_muscadet.modules.php
@@ -625,7 +625,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
 					}
 					$this->tva[$vatrate] += $tvaligne;
 					$vatcode = $object->lines[$i]->vat_src_code;
-					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=>$tvaligne);
+					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=> $this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')]['amount'] + $tvaligne);
 
 					if ($posYAfterImage > $posYAfterDescription) {
 						$nexY = $posYAfterImage;
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 7539d89167b..4a8598a4d4d 100644
--- a/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
+++ b/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
@@ -619,7 +619,7 @@ class pdf_aurore extends ModelePDFSupplierProposal
 					}
 					$this->tva[$vatrate] += $tvaligne;
 					$vatcode = $object->lines[$i]->vat_src_code;
-					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=>$tvaligne);
+					$this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')] = array('vatrate'=>$vatrate, 'vatcode'=>$vatcode, 'amount'=> $this->tva_array[$vatrate.($vatcode ? ' ('.$vatcode.')' : '')]['amount'] + $tvaligne);
 
 					if ($posYAfterImage > $posYAfterDescription) {
 						$nexY = $posYAfterImage;