diff --git a/htdocs/admin/pdf.php b/htdocs/admin/pdf.php
index 8484539528d..e0c2d776d7a 100644
--- a/htdocs/admin/pdf.php
+++ b/htdocs/admin/pdf.php
@@ -133,7 +133,7 @@ if ($action == 'edit')	// Edit
 
 
     // Misc options
-    print load_fiche_titre($langs->trans("DictionaryPaperFormat"),'','').'<br>';
+    print load_fiche_titre($langs->trans("DictionaryPaperFormat"),'','');
 
 	print '<div class="div-table-responsive-no-min">';
     print '<table summary="more" class="noborder" width="100%">';
@@ -168,7 +168,7 @@ if ($action == 'edit')	// Edit
 
 
     // Addresses
-    print load_fiche_titre($langs->trans("PDFAddressForging"),'','').'<br>';
+    print load_fiche_titre($langs->trans("PDFAddressForging"),'','');
 
 	print '<div class="div-table-responsive-no-min">';
     print '<table summary="more" class="noborder" width="100%">';
@@ -255,14 +255,15 @@ if ($action == 'edit')	// Edit
 	print '</table>';
 	print '</div>';
 
+
     print '<br>';
 
+
     // Localtaxes
+    $locales ='';
+    $text='';
     if ($mysoc->useLocalTax(1) || $mysoc->useLocalTax(2))
     {
-        $locales ='';
-        $text='';
-
         if ($mysoc->useLocalTax(1))
         {
             $locales = $langs->transcountry("LT1",$mysoc->country_code);
@@ -279,31 +280,39 @@ if ($action == 'edit')	// Edit
             $text.= $form->selectyesno('MAIN_PDF_MAIN_HIDE_THIRD_TAX', (!empty($conf->global->MAIN_PDF_MAIN_HIDE_THIRD_TAX)) ? $conf->global->MAIN_PDF_MAIN_HIDE_THIRD_TAX : 0, 1);
             $text.= '</td></tr>';
         }
-
-        print load_fiche_titre($langs->trans("PDFLocaltax",$locales),'','');
-
-        print '<table summary="more" class="noborder" width="100%">';
-        print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td width="200px">'.$langs->trans("Value").'</td></tr>';
-        print $text;
-
-        print '</table>';
-        print '<br>';
-
     }
 
+    $title = $langs->trans("PDFRulesForSalesTax");
+    if ($mysoc->useLocalTax(1) || $mysoc->useLocalTax(2))
+    {
+   		$title.=' - '.$langs->trans("PDFLocaltax",$locales);
+    }
+
+    print load_fiche_titre($title,'','');
+
+    print '<table summary="more" class="noborder" width="100%">';
+    print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td width="200px">'.$langs->trans("Value").'</td></tr>';
+
+    // Hide any information on Sale tax / VAT
+
+    print '<tr class="oddeven"><td>'.$langs->trans("HideAnyVATInformationOnPDF").'</td><td>';
+    print $form->selectyesno('MAIN_GENERATE_DOCUMENTS_WITHOUT_VAT',(! empty($conf->global->MAIN_GENERATE_DOCUMENTS_WITHOUT_VAT))?$conf->global->MAIN_GENERATE_DOCUMENTS_WITHOUT_VAT:0,1);
+    print '</td></tr>';
+
+    // Locataxes
+    print $text;
+
+    print '</table>';
+    print '<br>';
+
+
     // Other
-    print load_fiche_titre($langs->trans("Other"),'','').'<br>';
+    print load_fiche_titre($langs->trans("Other"),'','');
 
 	print '<div class="div-table-responsive-no-min">';
 	print '<table summary="more" class="noborder" width="100%">';
     print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td width="200px">'.$langs->trans("Value").'</td></tr>';
 
-    // Hide any PDF informations
-
-    print '<tr class="oddeven"><td>'.$langs->trans("HideAnyVATInformationOnPDF").'</td><td>';
-	print $form->selectyesno('MAIN_GENERATE_DOCUMENTS_WITHOUT_VAT',(! empty($conf->global->MAIN_GENERATE_DOCUMENTS_WITHOUT_VAT))?$conf->global->MAIN_GENERATE_DOCUMENTS_WITHOUT_VAT:0,1);
-    print '</td></tr>';
-
     //Desc
 
     print '<tr class="oddeven"><td>'.$langs->trans("HideDescOnPDF").'</td><td>';
@@ -491,11 +500,10 @@ else	// Show
     print '<br>';
 
     // Localtaxes
+    $locales ='';
+    $text='';
     if ($mysoc->useLocalTax(1) || $mysoc->useLocalTax(2))
     {
-        $locales ='';
-        $text='';
-
         if ($mysoc->useLocalTax(1))
         {
             $locales = $langs->transcountry("LT1",$mysoc->country_code);
@@ -513,16 +521,27 @@ else	// Show
             $text.= '</td></tr>';
         }
 
-        print load_fiche_titre($langs->trans("PDFLocaltax",$locales),'','');
-
-        print '<table summary="more" class="noborder" width="100%">';
-        print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td width="200px">'.$langs->trans("Value").'</td></tr>';
-        print $text;
-        print '</table>';
-        print '<br>';
-
     }
 
+    // Sales TAX / VAT information
+    $title=$langs->trans("PDFRulesForSalesTax",$locales);
+    if ($mysoc->useLocalTax(1) || $mysoc->useLocalTax(2)) $title.=' - '.$langs->trans("PDFLocaltax",$locales);
+
+    print load_fiche_titre($title,'','');
+
+    print '<table summary="more" class="noborder" width="100%">';
+    print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td width="200px">'.$langs->trans("Value").'</td></tr>';
+
+    print '<tr class="oddeven"><td>'.$langs->trans("HideAnyVATInformationOnPDF").'</td><td colspan="2">';
+    print yn($conf->global->MAIN_GENERATE_DOCUMENTS_WITHOUT_VAT,1);
+    print '</td></tr>';
+
+    print $text;
+
+    print '</table>';
+    print '<br>';
+
+
     // Other
     print load_fiche_titre($langs->trans("Other"),'','');
 
@@ -558,12 +577,6 @@ else	// Show
 	print "</td>";
 	print '</tr>';
 
-    // Hide any PDF informations
-
-    print '<tr class="oddeven"><td>'.$langs->trans("HideAnyVATInformationOnPDF").'</td><td colspan="2">';
-    print yn($conf->global->MAIN_GENERATE_DOCUMENTS_WITHOUT_VAT,1);
-    print '</td></tr>';
-
 	//Desc
 
 	print '<tr class="oddeven"><td>'.$langs->trans("HideDescOnPDF").'</td><td colspan="2">';
@@ -601,7 +614,7 @@ else	// Show
 	 */
 
 	print '<br>';
-	print load_fiche_titre($langs->trans("Library"));
+	print load_fiche_titre($langs->trans("Library"), '', '');
 
 	print '<div class="div-table-responsive-no-min">';
 	print '<table class="noborder" width="100%">'."\n";
diff --git a/htdocs/core/lib/pdf.lib.php b/htdocs/core/lib/pdf.lib.php
index e238dc7054e..e2c01f90f47 100644
--- a/htdocs/core/lib/pdf.lib.php
+++ b/htdocs/core/lib/pdf.lib.php
@@ -124,7 +124,6 @@ function pdf_getInstance($format='',$metric='mm',$pagetype='P')
 
 	// We need to instantiate tcpdi object (instead of tcpdf) to use merging features. But we can disable it (this will break all merge features).
 	if (empty($conf->global->MAIN_DISABLE_TCPDI)) require_once TCPDI_PATH.'tcpdi.php';
-	else if (empty($conf->global->MAIN_DISABLE_FPDI)) require_once FPDI_PATH.'fpdi.php';
 
 	//$arrayformat=pdf_getFormat();
 	//$format=array($arrayformat['width'],$arrayformat['height']);
diff --git a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
index 738a49fe81e..06f129299e4 100644
--- a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
+++ b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
@@ -97,7 +97,7 @@ class pdf_einstein extends ModelePDFCommandes
 	public function __construct($db)
 	{
 		global $conf,$langs,$mysoc;
-		
+
 		// Translations
 		$langs->loadLangs(array("main", "bills", "products"));
 
@@ -189,7 +189,7 @@ class pdf_einstein extends ModelePDFCommandes
 		if (! is_object($outputlangs)) $outputlangs=$langs;
 		// For backward compatibility with FPDF, force output charset to ISO, because FPDF expect text to be encoded in ISO
 		if (! empty($conf->global->MAIN_USE_FPDF)) $outputlangs->charset_output='ISO-8859-1';
-		
+
 		// Translations
 		$outputlangs->loadLangs(array("main", "dict", "companies", "bills", "products", "orders", "deliveries"));
 
@@ -252,7 +252,7 @@ class pdf_einstein extends ModelePDFCommandes
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
@@ -1209,7 +1209,7 @@ class pdf_einstein extends ModelePDFCommandes
 	function _pagehead(&$pdf, $object, $showaddress, $outputlangs, $titlekey="PdfOrderTitle")
 	{
 		global $conf,$langs,$hookmanager;
-		
+
 		// Translations
 		$outputlangs->loadLangs(array("main", "bills", "propal", "orders", "companies"));
 
@@ -1308,7 +1308,7 @@ class pdf_einstein extends ModelePDFCommandes
 		{
 			$top_shift = $pdf->getY() - $current_y;
 		}
-		
+
 		if ($showaddress)
 		{
 			// Sender properties
diff --git a/htdocs/core/modules/contract/doc/pdf_strato.modules.php b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
index 62501d4881e..aed6a7f8205 100644
--- a/htdocs/core/modules/contract/doc/pdf_strato.modules.php
+++ b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
@@ -183,7 +183,7 @@ class pdf_strato extends ModelePDFContract
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/expedition/doc/pdf_merou.modules.php b/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
index 1609ef8283f..9a496cb5589 100644
--- a/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
@@ -165,7 +165,7 @@ class pdf_merou extends ModelePdfExpedition
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
index 1b7c1edcd7b..683a5e13124 100644
--- a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
@@ -228,7 +228,7 @@ class pdf_rouget extends ModelePdfExpedition
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php b/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
index 32fe36044b3..3244bb25340 100644
--- a/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
@@ -226,7 +226,7 @@ class pdf_standard extends ModeleExpenseReport
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
 			    // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index 0e11be1a8fa..2afdd21c82f 100644
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -301,7 +301,7 @@ class pdf_crabe extends ModelePDFFactures
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
 
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
 				    $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
 				    $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
index 26cdc3f5dfc..aa7ed05070b 100644
--- a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
+++ b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
@@ -173,7 +173,7 @@ class pdf_soleil extends ModelePDFFicheinter
 				}
 				$pdf->SetFont(pdf_getPDFFont($outputlangs));
 				// Set path to the background PDF File
-				if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+				if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
 				{
 					$pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
 					$tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/livraison/doc/pdf_typhon.modules.php b/htdocs/core/modules/livraison/doc/pdf_typhon.modules.php
index 6c37a706064..6b0bb759a19 100644
--- a/htdocs/core/modules/livraison/doc/pdf_typhon.modules.php
+++ b/htdocs/core/modules/livraison/doc/pdf_typhon.modules.php
@@ -197,7 +197,7 @@ class pdf_typhon extends ModelePDFDeliveryOrder
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/product/doc/pdf_standard.modules.php b/htdocs/core/modules/product/doc/pdf_standard.modules.php
index a4b65bbe38a..032f75f0d65 100644
--- a/htdocs/core/modules/product/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/product/doc/pdf_standard.modules.php
@@ -203,7 +203,7 @@ class pdf_standard extends ModelePDFProduct
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/project/doc/pdf_baleine.modules.php b/htdocs/core/modules/project/doc/pdf_baleine.modules.php
index 4b6273388ad..baa38e8ad2d 100644
--- a/htdocs/core/modules/project/doc/pdf_baleine.modules.php
+++ b/htdocs/core/modules/project/doc/pdf_baleine.modules.php
@@ -161,7 +161,7 @@ class pdf_baleine extends ModelePDFProjects
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/project/doc/pdf_beluga.modules.php b/htdocs/core/modules/project/doc/pdf_beluga.modules.php
index 959cc152a0f..4f1d9179aa1 100644
--- a/htdocs/core/modules/project/doc/pdf_beluga.modules.php
+++ b/htdocs/core/modules/project/doc/pdf_beluga.modules.php
@@ -179,7 +179,7 @@ class pdf_beluga extends ModelePDFProjects
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/project/doc/pdf_timespent.modules.php b/htdocs/core/modules/project/doc/pdf_timespent.modules.php
index 6843e9c5a33..c7f23df52e3 100644
--- a/htdocs/core/modules/project/doc/pdf_timespent.modules.php
+++ b/htdocs/core/modules/project/doc/pdf_timespent.modules.php
@@ -160,7 +160,7 @@ class pdf_timespent extends ModelePDFProjects
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/propale/doc/pdf_azur.modules.php b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
index 2a790822ea4..51de90f3c7c 100644
--- a/htdocs/core/modules/propale/doc/pdf_azur.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
@@ -283,7 +283,7 @@ class pdf_azur extends ModelePDFPropales
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php b/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php
index d18f9e5bfff..6eb9f136a27 100644
--- a/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php
+++ b/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php
@@ -219,7 +219,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php b/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
index 0e560393c4b..6947d67fb16 100644
--- a/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
+++ b/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
@@ -269,7 +269,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php b/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php
index 8c9ed049841..f9567a32a5c 100644
--- a/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php
@@ -226,7 +226,7 @@ class pdf_standard extends ModelePDFSuppliersPayments
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
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 52fbeac21d5..227a4258918 100644
--- a/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
+++ b/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
@@ -299,7 +299,7 @@ class pdf_aurore extends ModelePDFSupplierProposal
                 }
                 $pdf->SetFont(pdf_getPDFFont($outputlangs));
                 // Set path to the background PDF File
-                if (empty($conf->global->MAIN_DISABLE_FPDI) && ! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
+                if (! empty($conf->global->MAIN_ADD_PDF_BACKGROUND))
                 {
                     $pagecount = $pdf->setSourceFile($conf->mycompany->dir_output.'/'.$conf->global->MAIN_ADD_PDF_BACKGROUND);
                     $tplidx = $pdf->importPage(1);
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index c88af3fc1b1..6ac7d14f529 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -374,7 +374,8 @@ NoSmsEngine=No SMS sender manager available. SMS sender manager are not installe
 PDF=PDF
 PDFDesc=You can set each global options related to the PDF generation
 PDFAddressForging=Rules to forge address boxes
-HideAnyVATInformationOnPDF=Hide all information related to VAT on generated PDF
+HideAnyVATInformationOnPDF=Hide all information related to Sales tax / VAT on generated PDF
+PDFRulesForSalesTax=Rules for Sales Tax / VAT
 PDFLocaltax=Rules for %s
 HideLocalTaxOnPDF=Hide %s rate into pdf column tax sale
 HideDescOnPDF=Hide products description on generated PDF