Commencement date appointed for GST amendment rules, activating the specified amendment provision on the notified date. Appointment of the commencement date for the Meghalaya Goods and Services Tax (Fourth Amendment) Rules, 2019: the Government, exercising powers conferred by the relevant amendment rule and on the Council's recommendation, notifies the activation of the specified amendment provision by appointing the commencement date and records the formal exercise of notification power by the state tax department to give operative effect to the amendment.