(1) Where any amount has been realized from any person by any dealer, purporting to do so by way of realisation of tax on the sale or purchase of goods, in contravention of provisions of sections 22 and 23, such dealer shall, subject to provisions of sub-section 14 of section 21, deposit the entire amount so realised in the manner and within the period prescribed under section 24.

(2) Any amount deposited by any dealer under sub-section (1) shall to the extent it is not due as tax, be held by the State Government in trust for the person on whom such liability has been passed ultimately in respect of goods on the sale or purchase whereof such excess amount has been charged.

(3) Where any amount is deposited by any dealer under sub-section (1) such amount or any part thereof shall on a claim being made in that behalf be refunded in such manner as may be prescribed to the person on whom liability of such amount has been passed ultimately.

Provided that no such claim shall be entertained after expiry of three years from the date of order of assessment or one year from the date of the final order on appeal, revision or reference if any, in respect thereof, which ever is later.

(4) Where any amount has been deposited by any dealer in accordance with provisions under sub-section (1), the dealer shall, subject to provisions of sub-section (14) of section 21, not be entitled to allow refund of such amount to the purchaser of goods.

Explanation: - The expression "Final order on appeal revision or reference" includes an order passed by the High Court or by the Supreme Court.