Tax deduction liability for specified public bodies begins; applicability for government authorities, societies and public sector undertakings pending notified date The notification appoints the 18th day of September, 2017 as the date on which sub-section (1) of section 51 of the Tripura State Goods and Services Tax Act, 2017 shall come into force for authorities/boards/bodies with fifty-one percent or more government participation, societies established under the Societies Registration Act by central/state/local governments, and public sector undertakings; provided that the liability to deduct tax from payments to suppliers shall commence from a date to be notified subsequently on the Council's recommendation.