Reply To: What month are they in? Home › Forums › NFA Tracker › Form 4 Questions › What month are they in? › Reply To: What month are they in? 20170112 at 12:01 am #76217 normanrossjrParticipant Posts: 10 Join Date: 10/12/2016 I just wanted to know how you find out besides calling NFA office when your Form 4 is approved? Who contacts you? Silencer Shop or local dealer suppressor resides? I know after approval it still takes weeks to actually get tax stamp to take possession of item.