diff --git a/htdocs/admin/pdf.php b/htdocs/admin/pdf.php
index 5030c487537..9cd5836d2e8 100644
--- a/htdocs/admin/pdf.php
+++ b/htdocs/admin/pdf.php
@@ -4,6 +4,7 @@
  * Copyright (C) 2005-2011 Regis Houssin        <regis.houssin@inodbox.com>
  * Copyright (C) 2012-2107 Juanjo Menent		<jmenent@2byte.es>
  * Copyright (C) 2019	   Ferran Marcet		<fmarcet@2byte.es>
+ * Copyright (C) 2021	   Anthony Berton		<bertonanthony@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -93,6 +94,7 @@ if ($action == 'update') {
 
 	if (GETPOSTISSET('MAIN_DOCUMENTS_LOGO_HEIGHT')) dolibarr_set_const($db, "MAIN_DOCUMENTS_LOGO_HEIGHT", GETPOST("MAIN_DOCUMENTS_LOGO_HEIGHT", 'int'), 'chaine', 0, '', $conf->entity);
 	if (GETPOSTISSET('MAIN_INVERT_SENDER_RECIPIENT')) dolibarr_set_const($db, "MAIN_INVERT_SENDER_RECIPIENT", GETPOST("MAIN_INVERT_SENDER_RECIPIENT"), 'chaine', 0, '', $conf->entity);
+
 	if (GETPOSTISSET('MAIN_PDF_USE_ISO_LOCATION')) dolibarr_set_const($db, "MAIN_PDF_USE_ISO_LOCATION", GETPOST("MAIN_PDF_USE_ISO_LOCATION"), 'chaine', 0, '', $conf->entity);
 	if (GETPOSTISSET('MAIN_PDF_NO_CUSTOMER_CODE')) dolibarr_set_const($db, "MAIN_PDF_NO_CUSTOMER_CODE", GETPOST("MAIN_PDF_NO_CUSTOMER_CODE"), 'chaine', 0, '', $conf->entity);
 
diff --git a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
index be0b9f3c6fe..2a1f283a02c 100644
--- a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
+++ b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
@@ -1311,20 +1311,16 @@ class pdf_einstein extends ModelePDFCommandes
 		$pdf->SetXY($posx, $posy);
 		$pdf->SetTextColor(0, 0, 60);
 		$title = $outputlangs->transnoentities($titlekey);
+
+		$title .= " " . $outputlangs->convToOutputCharset($object->ref);
+
 		$pdf->MultiCell($w, 3, $title, '', 'R');
 
-		$pdf->SetFont('', 'B', $default_font_size);
-
-		$posy += 5;
-		$pdf->SetXY($posx, $posy);
-		$pdf->SetTextColor(0, 0, 60);
-		$pdf->MultiCell(100, 4, $outputlangs->transnoentities("Ref")." : ".$outputlangs->convToOutputCharset($object->ref), '', 'R');
-
-		$posy += 1;
 		$pdf->SetFont('', '', $default_font_size - 1);
+		$posy += 2;
 
 		if ($object->ref_client) {
-			$posy += 5;
+			$posy += 3;
 			$pdf->SetXY($posx, $posy);
 			$pdf->SetTextColor(0, 0, 60);
 			$pdf->MultiCell($w, 3, $outputlangs->transnoentities("RefCustomer")." : ".$outputlangs->convToOutputCharset($object->ref_client), '', 'R');
diff --git a/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php b/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
index 7e04445ea15..b8622fe3b26 100644
--- a/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
+++ b/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
@@ -1483,25 +1483,15 @@ class pdf_eratosthene extends ModelePDFCommandes
 			$title .= $outputlangsbis->transnoentities($titlekey);
 		}
 
+		$title .= " " . $outputlangs->convToOutputCharset($object->ref);
+
 		$pdf->MultiCell($w, 3, $title, '', 'R');
 
-		$pdf->SetFont('', 'B', $default_font_size);
-
-		$posy += 5;
-		$pdf->SetXY($posx, $posy);
-		$pdf->SetTextColor(0, 0, 60);
-		$textref = $outputlangs->transnoentities("Ref")." : ".$outputlangs->convToOutputCharset($object->ref);
-		if ($object->statut == $object::STATUS_DRAFT) {
-			$pdf->SetTextColor(128, 0, 0);
-			$textref .= ' - '.$outputlangs->transnoentities("NotValidated");
-		}
-		$pdf->MultiCell($w, 4, $textref, '', 'R');
-
-		$posy += 1;
 		$pdf->SetFont('', '', $default_font_size - 2);
+		$posy += 2;
 
 		if ($object->ref_client) {
-			$posy += 4;
+			$posy += 3;
 			$pdf->SetXY($posx, $posy);
 			$pdf->SetTextColor(0, 0, 60);
 			$pdf->MultiCell($w, 3, $outputlangs->transnoentities("RefCustomer")." : ".$outputlangs->convToOutputCharset($object->ref_client), '', 'R');
diff --git a/htdocs/core/modules/contract/doc/pdf_strato.modules.php b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
index 638c22221bd..d3d0f1905ff 100644
--- a/htdocs/core/modules/contract/doc/pdf_strato.modules.php
+++ b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
@@ -640,19 +640,14 @@ class pdf_strato extends ModelePDFContract
 		$pdf->SetXY($posx, $posy);
 		$pdf->SetTextColor(0, 0, 60);
 		$title = $outputlangs->transnoentities("ContractCard");
+
+		$title .= " " . $outputlangs->convToOutputCharset($object->ref);
+
 		$pdf->MultiCell(100, 4, $title, '', 'R');
 
-		$pdf->SetFont('', 'B', $default_font_size + 2);
-
-		$posy += 5;
-		$pdf->SetXY($posx, $posy);
-		$pdf->SetTextColor(0, 0, 60);
-		$pdf->MultiCell(100, 4, $outputlangs->transnoentities("Ref")." : ".$outputlangs->convToOutputCharset($object->ref), '', 'R');
-
-		$posy += 1;
 		$pdf->SetFont('', '', $default_font_size);
 
-		$posy += 4;
+		$posy += 5;
 		$pdf->SetXY($posx, $posy);
 		$pdf->SetTextColor(0, 0, 60);
 		$pdf->MultiCell(100, 3, $outputlangs->transnoentities("Date")." : ".dol_print_date($object->date_contrat, "day", false, $outputlangs, true), '', 'R');
diff --git a/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php b/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
index 28d797acffc..c20ffec1d72 100644
--- a/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
@@ -1003,16 +1003,12 @@ class pdf_espadon extends ModelePdfExpedition
 		$pdf->SetXY($posx, $posy);
 		$pdf->SetTextColor(0, 0, 60);
 		$title = $outputlangs->transnoentities("SendingSheet");
+		$title .= " " . $outputlangs->convToOutputCharset($object->ref);
+
 		$pdf->MultiCell($w, 4, $title, '', 'R');
 
 		$pdf->SetFont('', '', $default_font_size + 1);
 
-		$posy += 5;
-
-		$pdf->SetXY($posx, $posy);
-		$pdf->SetTextColor(0, 0, 60);
-		$pdf->MultiCell($w, 4, $outputlangs->transnoentities("RefSending")." : ".$object->ref, '', 'R');
-
 		// Date planned delivery
 		if (!empty($object->date_delivery)) {
 				$posy += 4;
diff --git a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
index aa6603fa35a..1b2b35e8562 100644
--- a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
@@ -953,15 +953,13 @@ class pdf_rouget extends ModelePdfExpedition
 		$pdf->SetXY($posx, $posy);
 		$pdf->SetTextColor(0, 0, 60);
 		$title = $outputlangs->transnoentities("SendingSheet");
+
+		$title .= " " . $outputlangs->convToOutputCharset($object->ref);
+
 		$pdf->MultiCell($w, 4, $title, '', 'R');
 
 		$pdf->SetFont('', '', $default_font_size + 1);
-
-		$posy += 5;
-
-		$pdf->SetXY($posx, $posy);
-		$pdf->SetTextColor(0, 0, 60);
-		$pdf->MultiCell($w, 4, $outputlangs->transnoentities("RefSending")." : ".$object->ref, '', 'R');
+		$posy += 1;
 
 		// Date planned delivery
 		if (!empty($object->date_delivery)) {
diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index 6ad123f3461..cdcd681eaa6 100644
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -986,6 +986,8 @@ class pdf_crabe extends ModelePDFFactures
 			$title = $outputlangs->transnoentities("PaymentsBackAlreadyDone");
 		}
 
+		$title .= " " . $outputlangs->convToOutputCharset($object->ref);
+
 		$pdf->SetFont('', '', $default_font_size - 3);
 		$pdf->SetXY($tab3_posx, $tab3_top - 4);
 		$pdf->MultiCell(60, 3, $title, 0, 'L', 0);
diff --git a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
index 42a8830e3fc..d4098d1db38 100644
--- a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
@@ -987,6 +987,8 @@ class pdf_sponge extends ModelePDFFactures
 			$title = $outputlangs->transnoentities("PaymentsBackAlreadyDone");
 		}
 
+		$title .= " " . $outputlangs->convToOutputCharset($object->ref);
+
 		$pdf->SetFont('', '', $default_font_size - 3);
 		$pdf->SetXY($tab3_posx, $tab3_top - 4);
 		$pdf->MultiCell(60, 3, $title, 0, 'L', 0);
diff --git a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
index 37d64c43e17..8710c67dda1 100644
--- a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
+++ b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
@@ -596,19 +596,15 @@ class pdf_soleil extends ModelePDFFicheinter
 		$pdf->SetXY($posx, $posy);
 		$pdf->SetTextColor(0, 0, 60);
 		$title = $outputlangs->transnoentities("InterventionCard");
+
+		$title .= " " . $outputlangs->convToOutputCharset($object->ref);
+
 		$pdf->MultiCell(100, 4, $title, '', 'R');
 
-		$pdf->SetFont('', 'B', $default_font_size + 2);
-
 		$posy += 5;
-		$pdf->SetXY($posx, $posy);
-		$pdf->SetTextColor(0, 0, 60);
-		$pdf->MultiCell(100, 4, $outputlangs->transnoentities("Ref")." : ".$outputlangs->convToOutputCharset($object->ref), '', 'R');
 
-		$posy += 1;
 		$pdf->SetFont('', '', $default_font_size);
 
-		$posy += 4;
 		$pdf->SetXY($posx, $posy);
 		$pdf->SetTextColor(0, 0, 60);
 		$pdf->MultiCell(100, 3, $outputlangs->transnoentities("Date")." : ".dol_print_date($object->datec, "day", false, $outputlangs, true), '', 'R');
diff --git a/htdocs/core/modules/propale/doc/pdf_azur.modules.php b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
index 2045683661b..9ea3e34511c 100644
--- a/htdocs/core/modules/propale/doc/pdf_azur.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
@@ -1473,17 +1473,12 @@ class pdf_azur extends ModelePDFPropales
 		$pdf->SetXY($posx, $posy);
 		$pdf->SetTextColor(0, 0, 60);
 		$title = $outputlangs->transnoentities("PdfCommercialProposalTitle");
+		$title .= " " . $outputlangs->convToOutputCharset($object->ref);
+
 		$pdf->MultiCell(100, 4, $title, '', 'R');
 
-		$pdf->SetFont('', 'B', $default_font_size);
-
-		$posy += 5;
-		$pdf->SetXY($posx, $posy);
-		$pdf->SetTextColor(0, 0, 60);
-		$pdf->MultiCell(100, 4, $outputlangs->transnoentities("Ref")." : ".$outputlangs->convToOutputCharset($object->ref), '', 'R');
-
-		$posy += 1;
 		$pdf->SetFont('', '', $default_font_size - 2);
+		$posy += 1;
 
 		if ($object->ref_client) {
 			$posy += 4;
diff --git a/htdocs/core/modules/propale/doc/pdf_cyan.modules.php b/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
index 7d8ada03ad5..703ebaa62f0 100644
--- a/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
@@ -1574,25 +1574,15 @@ class pdf_cyan extends ModelePDFPropales
 		$pdf->SetXY($posx, $posy);
 		$pdf->SetTextColor(0, 0, 60);
 		$title = $outputlangs->transnoentities("PdfCommercialProposalTitle");
+		$title .= " " . $outputlangs->convToOutputCharset($object->ref);
+
 		$pdf->MultiCell($w, 4, $title, '', 'R');
 
-		$pdf->SetFont('', 'B', $default_font_size);
-
-		$posy += 5;
-		$pdf->SetXY($posx, $posy);
-		$pdf->SetTextColor(0, 0, 60);
-		$textref = $outputlangs->transnoentities("Ref")." : ".$outputlangs->convToOutputCharset($object->ref);
-		if ($object->statut == $object::STATUS_DRAFT) {
-			$pdf->SetTextColor(128, 0, 0);
-			$textref .= ' - '.$outputlangs->transnoentities("NotValidated");
-		}
-		$pdf->MultiCell($w, 4, $textref, '', 'R');
-
-		$posy += 1;
 		$pdf->SetFont('', '', $default_font_size - 2);
+		$posy += 2;
 
 		if ($object->ref_client) {
-			$posy += 4;
+			$posy += 3;
 			$pdf->SetXY($posx, $posy);
 			$pdf->SetTextColor(0, 0, 60);
 			$pdf->MultiCell($w, 3, $outputlangs->transnoentities("RefCustomer")." : ".$outputlangs->convToOutputCharset($object->ref_client), '', 'R');