diff --git a/htdocs/product/class/productcustomerprice.class.php b/htdocs/product/class/productcustomerprice.class.php
index a4883362f8f..412e4c8121e 100644
--- a/htdocs/product/class/productcustomerprice.class.php
+++ b/htdocs/product/class/productcustomerprice.class.php
@@ -143,11 +143,11 @@ class ProductCustomerPrice extends CommonObject
 	 */
 	public $remise_percent;
 	/**
-	 * @var string
+	 * @var string|int
 	 */
 	public $date_begin = '';
 	/**
-	 * @var string
+	 * @var string|int
 	 */
 	public $date_end = '';
 
@@ -896,7 +896,7 @@ class ProductCustomerPrice extends CommonObject
 		$sql .= " localtax2_tx=".(isset($this->localtax2_tx) ? (empty($this->localtax2_tx) ? 0 : $this->localtax2_tx) : "null").",";
 		$sql .= " localtax1_type=".(!empty($this->localtax1_type) ? "'".$this->db->escape($this->localtax1_type)."'" : "'0'").",";
 		$sql .= " localtax2_type=".(!empty($this->localtax2_type) ? "'".$this->db->escape($this->localtax2_type)."'" : "'0'").",";
-		$sql .= " remise_percent=".(isset($this->remise_percent) ? price2num($this->remise_percent) : "null").",";
+		$sql .= " remise_percent=".(!empty($this->remise_percent) ? "'".price2num($this->remise_percent)."'" : "0").",";
 		$sql .= " date_begin='".$this->db->idate(!empty($this->date_begin) ? $this->date_begin : $now)."',";
 		$sql .= " date_end=".(!empty($this->date_end) ? "'".$this->db->idate($this->date_end)."'" : "null").",";
 		$sql .= " fk_user=".((int) $user->id).",";
@@ -1252,7 +1252,7 @@ class PriceByCustomerLine extends CommonObjectLine
 	 */
 	public $localtax2_tx;
 	/**
-	 * @var float
+	 * @var float|string|''
 	 */
 	public $remise_percent;
 	/**
diff --git a/htdocs/product/price.php b/htdocs/product/price.php
index eff87f5f275..a107e7fe8e0 100644
--- a/htdocs/product/price.php
+++ b/htdocs/product/price.php
@@ -755,8 +755,8 @@ if (empty($reshook)) {
 		$prodcustprice->price_base_type = GETPOST("price_base_type", 'alpha');
 		$prodcustprice->price_label = GETPOST("price_label", 'alpha');
 		$prodcustprice->remise_percent = price2num(GETPOST("remise_percent"));
-		$prodcustprice->date_begin = dol_mktime(0, 0, 0, GETPOST('date_beginmonth', 'int'), GETPOST('date_beginday', 'int'), GETPOST('date_beginyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
-		$prodcustprice->date_end = dol_mktime(0, 0, 0, GETPOST('date_endmonth', 'int'), GETPOST('date_endday', 'int'), GETPOST('date_endyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
+		$prodcustprice->date_begin = dol_mktime(0, 0, 0, GETPOSTINT('date_beginmonth'), GETPOSTINT('date_beginday'), GETPOSTINT('date_beginyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
+		$prodcustprice->date_end = dol_mktime(0, 0, 0, GETPOSTINT('date_endmonth'), GETPOSTINT('date_endday'), GETPOSTINT('date_endyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
 
 		$extralabels = $extrafields->fetch_name_optionals_label("product_customer_price");
 		$extrafield_values = $extrafields->getOptionalsFromPost("product_customer_price");
@@ -910,8 +910,8 @@ if (empty($reshook)) {
 		$prodcustprice->price_base_type = GETPOST("price_base_type", 'alpha');
 		$prodcustprice->price_label = GETPOST("price_label", 'alpha');
 		$prodcustprice->remise_percent = price2num(GETPOST("remise_percent"));
-		$prodcustprice->date_begin = dol_mktime(0, 0, 0, GETPOST('date_beginmonth', 'int'), GETPOST('date_beginday', 'int'), GETPOST('date_beginyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
-		$prodcustprice->date_end = dol_mktime(0, 0, 0, GETPOST('date_endmonth', 'int'), GETPOST('date_endday', 'int'), GETPOST('date_endyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
+		$prodcustprice->date_begin = dol_mktime(0, 0, 0, GETPOSTINT('date_beginmonth'), GETPOSTINT('date_beginday'), GETPOSTINT('date_beginyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
+		$prodcustprice->date_end = dol_mktime(0, 0, 0, GETPOSTINT('date_endmonth'), GETPOSTINT('date_endday'), GETPOSTINT('date_endyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
 
 		$extralabels = $extrafields->fetch_name_optionals_label("product_customer_price");
 		$extrafield_values = $extrafields->getOptionalsFromPost("product_customer_price");
@@ -2049,13 +2049,13 @@ if (getDolGlobalString('PRODUIT_CUSTOMER_PRICES') || getDolGlobalString('PRODUIT
 		print '<td><input name="ref_customer" size="12"></td></tr>';
 
 		// Applied Prices From
-		$date_begin = dol_mktime(0, 0, 0, GETPOST('date_beginmonth', 'int'), GETPOST('date_beginday', 'int'), GETPOST('date_beginyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
+		$date_begin = dol_mktime(0, 0, 0, GETPOSTINT('date_beginmonth'), GETPOSTINT('date_beginday'), GETPOSTINT('date_beginyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
 		print '<tr><td>'.$langs->trans("AppliedPricesFrom").'</td><td>';
 		print $form->selectDate(!empty($date_begin) ? $date_begin : dol_now(), "date_begin", 0, 0, 1, "date_begin");
 		print '</td></tr>';
 
 		// Applied Prices To
-		$date_end = dol_mktime(0, 0, 0, GETPOST('date_endmonth', 'int'), GETPOST('date_endday', 'int'), GETPOST('date_endyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
+		$date_end = dol_mktime(0, 0, 0, GETPOSTINT('date_endmonth'), GETPOSTINT('date_endday'), GETPOSTINT('date_endyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
 		print '<tr><td>'.$langs->trans("AppliedPricesTo").'</td><td>';
 		print $form->selectDate($date_end, "date_end", 0, 0, 1, "date_end");
 		print '</td></tr>';
diff --git a/htdocs/societe/price.php b/htdocs/societe/price.php
index d8365b8640c..5ff8eed8a1b 100644
--- a/htdocs/societe/price.php
+++ b/htdocs/societe/price.php
@@ -116,8 +116,8 @@ if (empty($reshook)) {
 			$prodcustprice->price_min = price2num(GETPOST("price_min"), 'MU');
 			$prodcustprice->price_base_type = GETPOST("price_base_type", 'alpha');
 			$prodcustprice->remise_percent = price2num(GETPOST("remise_percent"));
-			$prodcustprice->date_begin = dol_mktime(0, 0, 0, GETPOST('date_beginmonth', 'int'), GETPOST('date_beginday', 'int'), GETPOST('date_beginyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
-			$prodcustprice->date_end = dol_mktime(0, 0, 0, GETPOST('date_endmonth', 'int'), GETPOST('date_endday', 'int'), GETPOST('date_endyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
+			$prodcustprice->date_begin = dol_mktime(0, 0, 0, GETPOSTINT('date_beginmonth'), GETPOSTINT('date_beginday'), GETPOSTINT('date_beginyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
+			$prodcustprice->date_end = dol_mktime(0, 0, 0, GETPOSTINT('date_endmonth'), GETPOSTINT('date_endday'), GETPOSTINT('date_endyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
 
 			$tva_tx_txt = GETPOST('tva_tx', 'alpha'); // tva_tx can be '8.5'  or  '8.5*'  or  '8.5 (XXX)' or '8.5* (XXX)'
 
@@ -217,8 +217,8 @@ if (empty($reshook)) {
 		$prodcustprice->tva_tx = str_replace('*', '', GETPOST("tva_tx"));
 		$prodcustprice->recuperableonly = (preg_match('/\*/', GETPOST("tva_tx")) ? 1 : 0);
 		$prodcustprice->remise_percent = price2num(GETPOST("remise_percent"));
-		$prodcustprice->date_begin = dol_mktime(0, 0, 0, GETPOST('date_beginmonth', 'int'), GETPOST('date_beginday', 'int'), GETPOST('date_beginyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
-		$prodcustprice->date_end = dol_mktime(0, 0, 0, GETPOST('date_endmonth', 'int'), GETPOST('date_endday', 'int'), GETPOST('date_endyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
+		$prodcustprice->date_begin = dol_mktime(0, 0, 0, GETPOSTINT('date_beginmonth'), GETPOSTINT('date_beginday'), GETPOSTINT('date_beginyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
+		$prodcustprice->date_end = dol_mktime(0, 0, 0, GETPOSTINT('date_endmonth'), GETPOSTINT('date_endday'), GETPOSTINT('date_endyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
 
 		$result = $prodcustprice->update($user, 0, $update_child_soc);
 		if ($result > 0) {
@@ -383,13 +383,13 @@ if (getDolGlobalString('PRODUIT_CUSTOMER_PRICES') || getDolGlobalString('PRODUIT
 		print '<td><input name="ref_customer" size="12"></td></tr>';
 
 		// Applied Prices From
-		$date_begin = dol_mktime(0, 0, 0, GETPOST('date_beginmonth', 'int'), GETPOST('date_beginday', 'int'), GETPOST('date_beginyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
+		$date_begin = dol_mktime(0, 0, 0, GETPOSTINT('date_beginmonth'), GETPOSTINT('date_beginday'), GETPOSTINT('date_beginyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server;
 		print '<tr><td>'.$langs->trans("AppliedPricesFrom").'</td><td>';
 		print $form->selectDate(!empty($date_begin) ? $date_begin : dol_now(), "date_begin", 0, 0, 1, "date_begin");
 		print '</td></tr>';
 
 		// Applied Prices To
-		$date_end = dol_mktime(0, 0, 0, GETPOST('date_endmonth', 'int'), GETPOST('date_endday', 'int'), GETPOST('date_endyear', 'int'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
+		$date_end = dol_mktime(0, 0, 0, GETPOSTINT('date_endmonth'), GETPOSTINT('date_endday'), GETPOSTINT('date_endyear'), 'tzserver');	// If we enter the 02 january, we need to save the 02 january for server
 		print '<tr><td>'.$langs->trans("AppliedPricesTo").'</td><td>';
 		print $form->selectDate($date_end, "date_end", 0, 0, 1, "date_end");
 		print '</td></tr>';