"Any person aggrieved by an order passed against him by Appellate Authority (AA) or Revisional Authority (RA) may appeal to Appellate Tribunal under section 112 of the CGST Act, 2017." In context to the above statement,

If the certified copy of the decision/order appealed against shall be submitted to the Registrar within 7 days from the date of filing appeal, the date of filing the appeal shall be the date of the issue of the provisional acknowledgement. However, if the said copy is submitted after 7 days, the date of filing the appeal shall be the date of the submission of such copy. The appeal shall be treated as filed only when the final acknowledgement is issued.