diff --git a/htdocs/datapolicies/class/datapolicies.class.php b/htdocs/datapolicies/class/datapolicies.class.php
index 4b21dba1d9a..df818db6f5e 100644
--- a/htdocs/datapolicies/class/datapolicies.class.php
+++ b/htdocs/datapolicies/class/datapolicies.class.php
@@ -16,11 +16,9 @@
  */
 
 /**
- * \file    datapolicies/class/actions_datapolicies.class.php
+ * \file    datapolicies/class/datapolicies.class.php
  * \ingroup datapolicies
- * \brief   Example hook overload.
- *
- * Put detailed description here.
+ * \brief   Class to manage feature of Data Policies module.
  */
 include_once DOL_DOCUMENT_ROOT . '/contact/class/contact.class.php';
 include_once DOL_DOCUMENT_ROOT . '/societe/class/societe.class.php';
@@ -147,6 +145,9 @@ Class DataPolicies extends Contact
     function sendMailDataPoliciesContact($contact)
     {
      	global $langs, $conf, $db, $user;
+
+     	$error = 0;
+
      	$from = $user->getFullName($langs) . ' <' . $user->email . '>';
      	$replyto = $from;
      	$sendto = $contact->email;
@@ -165,6 +166,9 @@ Class DataPolicies extends Contact
      	$message = $conf->global->$ma;
      	$linka = $conf->global->$la;
      	$linkr = $conf->global->$lr;
+     	$sendtocc = $sendtobcc = '';
+     	$filepath = $mimetype = $filename = array();
+     	$deliveryreceipt = 0;
 
      	$substitutionarray = array(
      	'__LINKACCEPT__' => '<a href="'.dol_buildpath('/datapolicies/public/index.php?action=1&c='.$contact->id.'&l='.$l.'&key='.$code,3).'" target="_blank">'.$linka.'</a>',
@@ -217,6 +221,9 @@ Class DataPolicies extends Contact
     function sendMailDataPoliciesCompany($societe)
     {
      	global $langs, $conf, $db, $user;
+
+     	$error = 0;
+
      	$from = $user->getFullName($langs) . ' <' . $user->email . '>';
      	$replyto = $from;
      	$sendto = $societe->email;
@@ -236,7 +243,9 @@ Class DataPolicies extends Contact
      	$message = $conf->global->$ma;
      	$linka = $conf->global->$la;
      	$linkr = $conf->global->$lr;
-
+     	$sendtocc = $sendtobcc = '';
+     	$filepath = $mimetype = $filename = array();
+     	$deliveryreceipt = 0;
 
      	$substitutionarray = array(
             '__LINKACCEPT__' => '<a href="'.dol_buildpath('/datapolicies/public/index.php?action=1&s='.$societe->id.'&l='.$l.'&key='.$code,3).'" target="_blank">'.$linka.'</a>',
@@ -284,6 +293,9 @@ Class DataPolicies extends Contact
     function sendMailDataPoliciesAdherent($adherent)
     {
     	global $langs, $conf, $db, $user;
+
+    	$error = 0;
+
     	$from = $user->getFullName($langs) . ' <' . $user->email . '>';
     	$replyto = $from;
     	$sendto = $adherent->email;
@@ -301,7 +313,9 @@ Class DataPolicies extends Contact
     	$message = $conf->global->$ma;
     	$linka = $conf->global->$la;
     	$linkr = $conf->global->$lr;
-
+    	$sendtocc = $sendtobcc = '';
+    	$filepath = $mimetype = $filename = array();
+    	$deliveryreceipt = 0;
 
     	$substitutionarray = array(
             '__LINKACCEPT__' => '<a href="'.dol_buildpath('/datapolicies/public/index.php?action=1&a='.$adherent->id.'&l='.$l.'&key='.$code,3).'" target="_blank">'.$linka.'</a>',
diff --git a/htdocs/datapolicies/public/index.php b/htdocs/datapolicies/public/index.php
index 4dd07f2ea2d..7ecceeb9940 100644
--- a/htdocs/datapolicies/public/index.php
+++ b/htdocs/datapolicies/public/index.php
@@ -21,6 +21,7 @@
  * \ingroup datapolicies
  * \brief   datapolicies setup page.
  */
+
 if (!defined('NOLOGIN'))
     define("NOLOGIN", 1);   // This means this output page does not require to be logged.
 if (!defined('NOCSRFCHECK'))
@@ -35,12 +36,13 @@ dol_include_once('/adherents/class/adherent.class.php');
 dol_include_once('/user/class/user.class.php');
 dol_include_once('/datapolicies/class/datapolicies.class.php');
 
-$idc = GETPOST('c');
-$ids = GETPOST('s');
-$ida = GETPOST('a');
-$action = GETPOST('action');
-$lang = GETPOST('l');
-$code = GETPOST('key');
+$idc = GETPOST('c', 'int');
+$ids = GETPOST('s', 'int');
+$ida = GETPOST('a', 'int');
+$action = GETPOST('action', 'alpha');
+$lang = GETPOST('l', 'alpha');
+$code = GETPOST('key', 'alpha');
+
 $acc = "DATAPOLICIESACCEPT_" . $lang;
 $ref = "DATAPOLICIESREFUSE_" . $lang;
 $langs->load('datapolicies@datapolicies',0,0,$lang);