Section 5. Certain refunds to be made when declaration ceases to have effect

5- (1) Where a declared provision comes into operation as an enactment in an amended form resulting in reduction of rates of such fee, tax or duty, before the expiry of the period specified in clause (c) of sub-section (2) of section 4, refund shall be made of all fees, taxes and duties collected which would not have been collected if the provision adopted in the enactment had been the declared provision: Provided that the rate at which refunds of any fee, tax or duty may be made under this sub-section shall not exceed the difference between the rate of such fee, tax or duty proposed in the declared provision and the rate of such fee, tax or duty in force when the Bill was introduced. (2) Where a declared provision ceases to have the force of law under clause (b) or clause (c) of sub-section (2) of section 4, refunds shall be made of all fees, taxes or duties collected which would not have been collected if the declaration in respect of it had not been made.