diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 43200e4b0ac..b62d80716de 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -3219,62 +3219,6 @@ class Facture extends CommonInvoice
 		}
 	}
 
-	/**
-	 *  Return list of payments
-	 *
-	 *	@param		string	$filtertype		1 to filter on type of payment == 'PRE'
-	 *  @return     array					Array with list of payments
-	 */
-	function getListOfPayments($filtertype='')
-	{
-		$retarray=array();
-
-		$table='paiement_facture';
-		$table2='paiement';
-		$field='fk_facture';
-		$field2='fk_paiement';
-		$sharedentity='facture';
-		if ($this->element == 'facture_fourn' || $this->element == 'invoice_supplier')
-		{
-			$table='paiementfourn_facturefourn';
-			$table2='paiementfourn';
-			$field='fk_facturefourn';
-			$field2='fk_paiementfourn';
-			$sharedentity='facture_fourn';
-		}
-
-		$sql = 'SELECT p.ref, pf.amount, pf.multicurrency_amount, p.fk_paiement, p.datep, p.num_paiement as num, t.code';
-		$sql.= ' FROM '.MAIN_DB_PREFIX.$table.' as pf, '.MAIN_DB_PREFIX.$table2.' as p, '.MAIN_DB_PREFIX.'c_paiement as t';
-		$sql.= ' WHERE pf.'.$field.' = '.$this->id;
-		//$sql.= ' WHERE pf.'.$field.' = 1';
-		$sql.= ' AND pf.'.$field2.' = p.rowid';
-		$sql.= ' AND p.fk_paiement = t.id';
-		$sql.= ' AND p.entity IN (' . getEntity($sharedentity).')';
-		if ($filtertype) $sql.=" AND t.code='PRE'";
-
-		dol_syslog(get_class($this)."::getListOfPayments", LOG_DEBUG);
-		$resql=$this->db->query($sql);
-		if ($resql)
-		{
-			$num = $this->db->num_rows($resql);
-			$i=0;
-			while ($i < $num)
-			{
-				$obj = $this->db->fetch_object($resql);
-				$retarray[]=array('amount'=>$obj->amount,'type'=>$obj->code, 'date'=>$obj->datep, 'num'=>$obj->num, 'ref'=>$obj->ref);
-				$i++;
-			}
-			$this->db->free($resql);
-			return $retarray;
-		}
-		else
-		{
-			$this->error=$this->db->lasterror();
-			dol_print_error($this->db);
-			return array();
-		}
-	}
-
 
 	/**
 	 *      Return next reference of customer invoice not already used (or last reference)
diff --git a/htdocs/core/class/commoninvoice.class.php b/htdocs/core/class/commoninvoice.class.php
index e0517ac864c..ac5d3869a3d 100644
--- a/htdocs/core/class/commoninvoice.class.php
+++ b/htdocs/core/class/commoninvoice.class.php
@@ -274,6 +274,63 @@ abstract class CommonInvoice extends CommonObject
 		}
 	}
 
+	/**
+	 *  Return list of payments
+	 *
+	 *	@param		string	$filtertype		1 to filter on type of payment == 'PRE'
+	 *  @return     array					Array with list of payments
+	 */
+	function getListOfPayments($filtertype='')
+	{
+		$retarray=array();
+
+		$table='paiement_facture';
+		$table2='paiement';
+		$field='fk_facture';
+		$field2='fk_paiement';
+		$sharedentity='facture';
+		if ($this->element == 'facture_fourn' || $this->element == 'invoice_supplier')
+		{
+			$table='paiementfourn_facturefourn';
+			$table2='paiementfourn';
+			$field='fk_facturefourn';
+			$field2='fk_paiementfourn';
+			$sharedentity='facture_fourn';
+		}
+
+		$sql = 'SELECT p.ref, pf.amount, pf.multicurrency_amount, p.fk_paiement, p.datep, p.num_paiement as num, t.code';
+		$sql.= ' FROM '.MAIN_DB_PREFIX.$table.' as pf, '.MAIN_DB_PREFIX.$table2.' as p, '.MAIN_DB_PREFIX.'c_paiement as t';
+		$sql.= ' WHERE pf.'.$field.' = '.$this->id;
+		//$sql.= ' WHERE pf.'.$field.' = 1';
+		$sql.= ' AND pf.'.$field2.' = p.rowid';
+		$sql.= ' AND p.fk_paiement = t.id';
+		$sql.= ' AND p.entity IN (' . getEntity($sharedentity).')';
+		if ($filtertype) $sql.=" AND t.code='PRE'";
+
+		dol_syslog(get_class($this)."::getListOfPayments", LOG_DEBUG);
+		$resql=$this->db->query($sql);
+		if ($resql)
+		{
+			$num = $this->db->num_rows($resql);
+			$i=0;
+			while ($i < $num)
+			{
+				$obj = $this->db->fetch_object($resql);
+				$retarray[]=array('amount'=>$obj->amount,'type'=>$obj->code, 'date'=>$obj->datep, 'num'=>$obj->num, 'ref'=>$obj->ref);
+				$i++;
+			}
+			$this->db->free($resql);
+			return $retarray;
+		}
+		else
+		{
+			$this->error=$this->db->lasterror();
+			dol_print_error($this->db);
+			return array();
+		}
+	}
+
+
 	/**
 	 *  Return if an invoice can be deleted
 	 *	Rule is: