GSTGST Articles Extension of RCM u/s 9(4) on supplies from unregistered By CA affinity - July 14, 2018 0 938 The Central Government has via notification no. 12/2018 – CGST (Rate) dated 29.06.2018, deferred the reverse charge mechanism on supplies of goods or services received from unregistered persons from 30th June 2018 to 30th September 2018.