PRESCRIBE DEBT STILL ACTIVE

I HAVE EMAILED MONEYSTAR ON 25/01/2016 AND TODATE HAS NOT GOTTEN ANY RESOLUTION TO MY QUERY. ACCOUNT REFERENCE AS PER ITC IS ***. THIS DEBT IS WAY OLDER THAN 3 YEARS AND SHOULD HAVE BEEN WRITTEN OFF BY NOW, I HAVE NOT HAD ANY CONTACT OR LETTERS OR ANYTHING FROM THIS PEOPLE UNTIL I EMAILED THEM IN JANUARY. PLEASE WRITE THIS DEBT OFF IMMEDIATELY. ACCOUNT OPENED 19/04/2011 - LAST PAYMENT 27/07/2012 (ALL INFO RECEIVED FROM ITC) I WANT FEEDBACK IN WRITING AND IMMEDIATELY