(1) The Authority shall, within a period of three months from the date of receipt of the report from the Director General of Safeguards determine whether a registered person has passed on the benefit of reduction in rate of tax on the supply of goods or services or the benefit of input tax credit to the recipient by way of commensurate reduction in prices.

(2) An opportunity of hearing shall be granted to the interested parties by the Authority where any request is received in writing from such interested parties.

(3) Where the Authority determines that a registered person has not passed on the benefit of reduction in rate of tax on the supply of goods or services or the benefit of input tax credit to the recipient by way of commensurate reduction in prices, the Authority may order -

(a) reduction in prices;

(b) return to the recipient, an amount equivalent to the amount not passed on by way of commensurate reduction in prices along with interest at the rate of eighteen per cent. from the date of collection of higher amount till the date of return of such amount or recovery of the amount including interest not returned, as the case may be, in case the eligible person does not claim return of the amount or is not identifiable, and depositing the same in the Fund referred to in section 57;

(c) imposition of penalty as specified under the Act; and

(d) cancellation of registration under the Act.

(4) If the report of the Director General of Safeguards referred to in sub-rule (6) of rule 129 recommends that there is contravention or even non-contravention of the provisions of section 171 or these rules, but the Authority is of the opinion that further investigation or inquiry is called for in the matter, it may, for reasons to be recorded in writing, refer the matter to the Director General of Safeguards to cause further investigation or inquiry in accordance with the provisions of the Act and these rules.