GST exemption notification rescinded under Assam tax law, with prior acts preserved and effect given from February 2019. Rescission of an earlier GST exemption notification under the Assam Goods and Services Tax Act, 2017 was issued by the Governor of Assam in exercise of statutory power and on the Council's recommendation, on the ground of public interest. The notification withdraws the specified 29 June 2017 notification, while preserving actions already done or omitted before the rescission. The rescission is treated as effective from 1 February 2019.