Commencement of Amendment Rules: appoints 21st June 2019 as the date for specified MGST amendment provisions to take effect. Under the authority of the Mizoram Goods and Services Tax Act, 2017, the Government notifies 21st June, 2019 as the date on which the provisions of the Mizoram Goods and Services Tax (Fourteenth) Amendment Rules, 2018-specifically the provision indicated in the earlier notification as rule 12-shall come into force.