You will be already aware that the Negative List, together with many other accompanying changes, comes into operation from July 1, 2012. 2. The necessary notifications from 25/2012-ST to 40/2012-ST and Notification No. 28/2012-CX (NT) were issued on June 20, 2012 and have comprehensive changes relating to exemptions, Place of Provision Rules, 2012, changes to Service Tax Rules, 1994, Cenvat Credit Rules, 2004 and details of all the notifications that are being rescinded.