sule 66Notes (History of Amendments in Bare Text): 1. CGST Rule 66 introduced vide Notification 102017, effective 01072017.. 2. Amendments in sub-rule (2) from 28062019Recovery of excess payment made to pensioners should be dealt with in accordance with Rule 66 (4) of the CCS (Pension) Rules 2021: CPAO O.M dated 05.04.2022