law: The Central Goods and Services Tax Act, 2017
  115. Interest on refund of amount paid for admission of appeal.-
  Where an amount paid by the appellant under sub-section (6) of section 107 or sub-section (8) of section 112 is required to be refunded consequent to any order of the Appellate Authority or of the Appellate Tribunal, interest at the rate specified under section 56 shall be payable in respect of such refund from the date of payment of the amount till the date of refund of such amount.