diff --git a/htdocs/comm/propal/card.php b/htdocs/comm/propal/card.php
index 7953691f11b..84e4e1bfb5e 100644
--- a/htdocs/comm/propal/card.php
+++ b/htdocs/comm/propal/card.php
@@ -938,7 +938,7 @@ if (empty($reshook)) {
 		$prod_entry_mode = GETPOST('prod_entry_mode', 'aZ09');
 		if ($prod_entry_mode == 'free') {
 			$idprod = 0;
-			$tva_tx = (GETPOST('tva_tx', 'alpha') ? price2num(preg_replace('/\s*\(.*\)/', '', GETPOST('tva_tx', 'alpha'))) : 0);
+			$tva_tx = (GETPOSTISSET('tva_tx') ? GETPOST('tva_tx', 'alpha') : 0);
 		} else {
 			$idprod = GETPOST('idprod', 'int');
 			$tva_tx = '';
diff --git a/htdocs/commande/card.php b/htdocs/commande/card.php
index 135c6fc9ab9..0510f089045 100644
--- a/htdocs/commande/card.php
+++ b/htdocs/commande/card.php
@@ -676,7 +676,7 @@ if (empty($reshook)) {
 		$prod_entry_mode = GETPOST('prod_entry_mode', 'aZ09');
 		if ($prod_entry_mode == 'free') {
 			$idprod = 0;
-			$tva_tx = (GETPOST('tva_tx', 'alpha') ? price2num(preg_replace('/\s*\(.*\)/', '', GETPOST('tva_tx', 'alpha'))) : 0);
+			$tva_tx = (GETPOSTISSET('tva_tx') ? GETPOST('tva_tx', 'alpha') : 0);
 		} else {
 			$idprod = GETPOST('idprod', 'int');
 			$tva_tx = '';
diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index d8e235193b5..287d99fc1fb 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -2038,7 +2038,7 @@ if (empty($reshook)) {
 		$prod_entry_mode = GETPOST('prod_entry_mode', 'aZ09');
 		if ($prod_entry_mode == 'free') {
 			$idprod = 0;
-			$tva_tx = (GETPOST('tva_tx', 'alpha') ? price2num(preg_replace('/\s*\(.*\)/', '', GETPOST('tva_tx', 'alpha'))) : 0);
+			$tva_tx = (GETPOSTISSET('tva_tx') ? GETPOST('tva_tx', 'alpha') : 0);
 		} else {
 			$idprod = GETPOST('idprod', 'int');
 			$tva_tx = '';
diff --git a/htdocs/supplier_proposal/card.php b/htdocs/supplier_proposal/card.php
index 4b898a75645..c9dc776c9c5 100644
--- a/htdocs/supplier_proposal/card.php
+++ b/htdocs/supplier_proposal/card.php
@@ -591,10 +591,8 @@ if (empty($reshook)) {
 		$prod_entry_mode = GETPOST('prod_entry_mode', 'aZ09');
 		if ($prod_entry_mode == 'free') {
 			$idprod = 0;
-			$tva_tx = (GETPOST('tva_tx', 'alpha') ? price2num(preg_replace('/\s*\(.*\)/', '', GETPOST('tva_tx', 'alpha'))) : 0);
 		} else {
 			$idprod = GETPOST('idprod', 'int');
-			$tva_tx = '';
 		}
 
 		$tva_tx = (GETPOST('tva_tx') ? GETPOST('tva_tx') : 0);		// Can be '1.2' or '1.2 (CODE)'
diff --git a/htdocs/supplier_proposal/class/supplier_proposal.class.php b/htdocs/supplier_proposal/class/supplier_proposal.class.php
index 1f95e3de5fd..16211e7a027 100644
--- a/htdocs/supplier_proposal/class/supplier_proposal.class.php
+++ b/htdocs/supplier_proposal/class/supplier_proposal.class.php
@@ -2584,7 +2584,7 @@ class SupplierProposal extends CommonObject
 		// For other object, here we call fetch_lines. But fetch_lines does not exists on supplier proposal
 
 		$sql = 'SELECT pt.rowid, pt.label as custom_label, pt.description, pt.fk_product, pt.fk_remise_except,';
-		$sql .= ' pt.qty, pt.tva_tx, pt.remise_percent, pt.subprice, pt.info_bits,';
+		$sql .= ' pt.qty, pt.tva_tx, pt.vat_src_code, pt.remise_percent, pt.subprice, pt.info_bits,';
 		$sql .= ' pt.total_ht, pt.total_tva, pt.total_ttc, pt.fk_product_fournisseur_price as fk_fournprice, pt.buy_price_ht as pa_ht, pt.special_code, pt.localtax1_tx, pt.localtax2_tx,';
 		$sql .= ' pt.product_type, pt.rang, pt.fk_parent_line,';
 		$sql .= ' p.label as product_label, p.ref, p.fk_product_type, p.rowid as prodid,';
@@ -2620,6 +2620,7 @@ class SupplierProposal extends CommonObject
 				$this->lines[$i]->fk_remise_except = $obj->fk_remise_except;
 				$this->lines[$i]->remise_percent = $obj->remise_percent;
 				$this->lines[$i]->tva_tx = $obj->tva_tx;
+				$this->lines[$i]->vat_src_code = $obj->vat_src_code;
 				$this->lines[$i]->info_bits			= $obj->info_bits;
 				$this->lines[$i]->total_ht = $obj->total_ht;
 				$this->lines[$i]->total_tva			= $obj->total_tva;
@@ -2988,6 +2989,9 @@ class SupplierProposalLine extends CommonObjectLine
 		if (empty($this->tva_tx)) {
 			$this->tva_tx = 0;
 		}
+		if (empty($this->vat_src_code)) {
+			$this->vat_src_code = '';
+		}
 		if (empty($this->localtax1_tx)) {
 			$this->localtax1_tx = 0;
 		}
@@ -3056,7 +3060,7 @@ class SupplierProposalLine extends CommonObjectLine
 		$sql = 'INSERT INTO '.MAIN_DB_PREFIX.'supplier_proposaldet';
 		$sql .= ' (fk_supplier_proposal, fk_parent_line, label, description, fk_product, product_type,';
 		$sql .= ' date_start, date_end,';
-		$sql .= ' fk_remise_except, qty, tva_tx, localtax1_tx, localtax2_tx, localtax1_type, localtax2_type,';
+		$sql .= ' fk_remise_except, qty, tva_tx, vat_src_code, localtax1_tx, localtax2_tx, localtax1_type, localtax2_type,';
 		$sql .= ' subprice, remise_percent, ';
 		$sql .= ' info_bits, ';
 		$sql .= ' total_ht, total_tva, total_localtax1, total_localtax2, total_ttc, fk_product_fournisseur_price, buy_price_ht, special_code, rang,';
@@ -3073,6 +3077,7 @@ class SupplierProposalLine extends CommonObjectLine
 		$sql .= " ".($this->fk_remise_except ? ((int) $this->fk_remise_except) : "null").",";
 		$sql .= " ".price2num($this->qty, 'MS').",";
 		$sql .= " ".price2num($this->tva_tx).",";
+		$sql .= " '".$this->db->escape($this->vat_src_code)."',";
 		$sql .= " ".price2num($this->localtax1_tx).",";
 		$sql .= " ".price2num($this->localtax2_tx).",";
 		$sql .= " '".$this->db->escape($this->localtax1_type)."',";