Notification No.47/2012 Service tax has been notifified on 28.9.2012 under which it has been mandated that ST-3 returns due on 25.10.2012 will be covering transactions only for the period 1.4.2012 to 30.6.2012.
As there has been significant amendments to service tax act as on 1.7.2012, the ST-3 form is being modified to adopt to the changes for the period 1.7.2012 to 30.09.2012. The revised form and due date will be announced soon.