diff --git a/htdocs/includes/modules/commande/pdf_einstein.modules.php b/htdocs/includes/modules/commande/pdf_einstein.modules.php
index 25c42be3690..bb003d0b921 100644
--- a/htdocs/includes/modules/commande/pdf_einstein.modules.php
+++ b/htdocs/includes/modules/commande/pdf_einstein.modules.php
@@ -596,7 +596,7 @@ class pdf_einstein extends ModelePDFCommandes
 		{
 		foreach( $this->tva as $tvakey => $tvaval )
 		{
-			if ($tvakey)    // On affiche pas taux 0
+			if ($tvakey > 0)    // On affiche pas taux 0
 			{
 				$this->atleastoneratenotnull++;
 
diff --git a/htdocs/includes/modules/facture/doc/pdf_crabe.modules.php b/htdocs/includes/modules/facture/doc/pdf_crabe.modules.php
index 28c4bcb87f9..04c796b66fe 100755
--- a/htdocs/includes/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/includes/modules/facture/doc/pdf_crabe.modules.php
@@ -722,7 +722,7 @@ class pdf_crabe extends ModelePDFFactures
 		{
 			foreach( $this->tva as $tvakey => $tvaval )
 			{
-				if ($tvakey)    // On affiche pas taux 0
+				if ($tvakey > 0)    // On affiche pas taux 0
 				{
 					$this->atleastoneratenotnull++;
 
diff --git a/htdocs/includes/modules/facture/doc/pdf_oursin.modules.php b/htdocs/includes/modules/facture/doc/pdf_oursin.modules.php
index 857cb2d076f..dcbc8e44358 100755
--- a/htdocs/includes/modules/facture/doc/pdf_oursin.modules.php
+++ b/htdocs/includes/modules/facture/doc/pdf_oursin.modules.php
@@ -619,7 +619,7 @@ class pdf_oursin extends ModelePDFFactures
 		{
 			foreach( $this->tva as $tvakey => $tvaval )
 			{
-				if ($tvakey)    // On affiche pas taux 0
+				if ($tvakey > 0)    // On affiche pas taux 0
 				{
 					$this->atleastoneratenotnull++;
 
diff --git a/htdocs/includes/modules/propale/pdf_propale_azur.modules.php b/htdocs/includes/modules/propale/pdf_propale_azur.modules.php
index e9b13535ad4..ddb298517c8 100644
--- a/htdocs/includes/modules/propale/pdf_propale_azur.modules.php
+++ b/htdocs/includes/modules/propale/pdf_propale_azur.modules.php
@@ -607,7 +607,7 @@ class pdf_propale_azur extends ModelePDFPropales
 		{
 			foreach( $this->tva as $tvakey => $tvaval )
 			{
-				if ($tvakey)    // On affiche pas taux 0
+				if ($tvakey > 0)    // On affiche pas taux 0
 				{
 					$this->atleastoneratenotnull++;
 
diff --git a/htdocs/includes/modules/supplier_invoice/pdf/pdf_canelle.modules.php b/htdocs/includes/modules/supplier_invoice/pdf/pdf_canelle.modules.php
index 537d13757a8..3611f1f75b8 100755
--- a/htdocs/includes/modules/supplier_invoice/pdf/pdf_canelle.modules.php
+++ b/htdocs/includes/modules/supplier_invoice/pdf/pdf_canelle.modules.php
@@ -421,7 +421,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
 
 		foreach( $this->tva as $tvakey => $tvaval )
 		{
-			if ($tvakey)    // On affiche pas taux 0
+			if ($tvakey > 0)    // On affiche pas taux 0
 			{
 				$this->atleastoneratenotnull++;
 
diff --git a/htdocs/includes/modules/supplier_order/pdf/pdf_muscadet.modules.php b/htdocs/includes/modules/supplier_order/pdf/pdf_muscadet.modules.php
index 238f9a9afa5..ba664d9256e 100644
--- a/htdocs/includes/modules/supplier_order/pdf/pdf_muscadet.modules.php
+++ b/htdocs/includes/modules/supplier_order/pdf/pdf_muscadet.modules.php
@@ -423,7 +423,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
 
 		foreach( $this->tva as $tvakey => $tvaval )
 		{
-			if ($tvakey)    // On affiche pas taux 0
+			if ($tvakey > 0)    // On affiche pas taux 0
 			{
 				$this->atleastoneratenotnull++;
 
diff --git a/htdocs/lib/pdf.lib.php b/htdocs/lib/pdf.lib.php
index 17167887201..3cdf6324bf4 100644
--- a/htdocs/lib/pdf.lib.php
+++ b/htdocs/lib/pdf.lib.php
@@ -657,7 +657,7 @@ function pdf_writelinedesc(&$pdf,$object,$i,$outputlangs,$w,$h,$posx,$posy,$hide
     {
         if (empty($object->lines[$i]->fk_parent_line))
         {
-        	return $object->hooks[$object->lines[$i]->special_code]->pdf_writelinedesc($pdf,$object,$i,$outputlangs,$w,$h,$posx,$posy);
+        	return $object->hooks[$object->lines[$i]->special_code]->pdf_writelinedesc($pdf,$object,$i,$outputlangs,$w,$h,$posx,$posy,$hideref,$hidedesc,$issupplierline);
         }
     }
     else
@@ -956,7 +956,7 @@ function pdf_getlinetotalexcltax($object,$i,$outputlangs)
         {
         	if (empty($object->lines[$i]->fk_parent_line))
         	{
-        		// TODO add hook function
+        		return $object->hooks[$object->lines[$i]->special_code]->pdf_getlinetotalexcltax($object,$i,$outputlangs);
         	}
         }
         else