--- application/helpers/remotecontrol/remotecontrol_handle.php.bak	2014-01-16 10:33:30.000000000 -0500
+++ application/helpers/remotecontrol/remotecontrol_handle.php	2014-01-25 00:46:08.668829243 -0500
@@ -2183,7 +2183,9 @@
             //set required values if not set
 
             // @todo: Some of this is part of the validation and should be done in the model instead
-            if (!isset($aResponseData['submitdate']))
+            if (array_key_exists('submitdate', $aResponseData) && empty($aResponseData['submitdate']))
+                unset($aResponseData['submitdate']);
+            else if (!isset($aResponseData['submitdate']))
                 $aResponseData['submitdate'] = date("Y-m-d H:i:s");
             if (!isset($aResponseData['startlanguage']))
                 $aResponseData['startlanguage'] = getBaseLanguageFromSurveyID($iSurveyID);