diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 15646307c91..95af5d1ff25 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -3096,20 +3096,10 @@ class Form
         		$defaulttx = $this->cache_vatrates[$num-1]['txtva'];
         	}
 
-        	// Disabled if customer is not subject to VAT
-        	$disabled=false;
-        	if (is_object($societe_acheteuse) && ! empty($societe_acheteuse->id)
-        		&& $societe_acheteuse->tva_assuj == "0") {
-        		$disabled=true;
-        	}
-
-        	if (! $options_only) $return.= '<select class="flat" id="'.$htmlname.'" name="'.$htmlname.'"'.($disabled?' disabled="disabled"':'').'>';
+        	if (! $options_only) $return.= '<select class="flat" id="'.$htmlname.'" name="'.$htmlname.'">';
 
         	foreach ($this->cache_vatrates as $rate)
         	{
-        		// Force 0 if customer is not subject to VAT
-        		if ($disabled && $rate['txtva'] != 0) continue;
-
         		$return.= '<option value="'.$rate['txtva'];
         		$return.= $rate['nprtva'] ? '*': '';
         		$return.= '"';
diff --git a/htdocs/core/tpl/freeproductline_create.tpl.php b/htdocs/core/tpl/freeproductline_create.tpl.php
index dd2014df079..c300208e5f8 100644
--- a/htdocs/core/tpl/freeproductline_create.tpl.php
+++ b/htdocs/core/tpl/freeproductline_create.tpl.php
@@ -23,7 +23,7 @@
  * $dateSelector
  * $this (invoice, order, ...)
  * $line defined
- */  
+ */
 ?>
 
 <!-- BEGIN PHP TEMPLATE freeproductline_create.tpl.php -->
@@ -35,7 +35,7 @@
 	<td align="right"><?php echo $langs->trans('ReductionShort'); ?></td>
 <?php
 $colspan = 4;
-if (! empty($conf->margin->enabled)) { 
+if (! empty($conf->margin->enabled)) {
 ?>
 	<td align="right"><?php echo $langs->trans('BuyingPrice'); ?></td>
 <?php
@@ -76,7 +76,7 @@ if (! empty($conf->margin->enabled)) {
 
 	<td align="right">
 	<?php
-	if ($buyer->tva_assuj == "0") echo '<input type="hidden" name="np_tva_tx" value="0">0';
+	if ($seller->tva_assuj == "0") echo '<input type="hidden" name="np_tva_tx" value="0">0';
 	else echo $form->load_tva('np_tva_tx', (isset($_POST["np_tva_tx"])?$_POST["np_tva_tx"]:-1), $seller, $buyer);
 	?>
 	</td>
@@ -85,7 +85,7 @@ if (! empty($conf->margin->enabled)) {
 	<td align="right" nowrap><input type="text" size="1" value="<?php echo $buyer->remise_client; ?>" name="remise_percent">%</td>
 <?php
 $colspan = 4;
-if (! empty($conf->margin->enabled)) { 
+if (! empty($conf->margin->enabled)) {
 ?>
 	<td align="right"><input type="text" size="5" name="np_buying_price" value="<?php echo (isset($_POST["np_buying_price"])?$_POST["np_buying_price"]:''); ?>"></td>
 <?php
@@ -99,12 +99,12 @@ if (! empty($conf->margin->enabled)) {
 </tr>
 
 
-<?php if ($conf->service->enabled && $dateSelector) { 
+<?php if ($conf->service->enabled && $dateSelector) {
 if(! empty($conf->global->MAIN_VIEW_LINE_NUMBER))
 	$colspan = 10;
 else
 	$colspan = 9;
-if (! empty($conf->margin->enabled)) { 
+if (! empty($conf->margin->enabled)) {
   if($conf->global->DISPLAY_MARGIN_RATES)
     $colspan++;
   if($conf->global->DISPLAY_MARK_RATES)
diff --git a/htdocs/core/tpl/objectline_add.tpl.php b/htdocs/core/tpl/objectline_add.tpl.php
index 473b8589a58..817878ee3ba 100644
--- a/htdocs/core/tpl/objectline_add.tpl.php
+++ b/htdocs/core/tpl/objectline_add.tpl.php
@@ -146,7 +146,8 @@ if (! empty($conf->margin->enabled)) {
 
 	<td align="right">
 	<?php
-	echo $form->load_tva('tva_tx', (GETPOST('tva_tx')?GETPOST('tva_tx'):-1), $seller, $buyer);
+	if ($buyer->tva_assuj == "0") echo '<input type="hidden" name="tva_tx" value="0">0';
+	else echo $form->load_tva('tva_tx', (GETPOST('tva_tx')?GETPOST('tva_tx'):-1), $seller, $buyer);
 	?>
 	<input type="hidden" id="origin_tva_tx_cache" name="origin_tva_tx_cache" value="" />
 	</td>