A relief agency may apply to the commissioner for refund of the amount of tax imposed under this chapter and paid upon sales to it of any goods, wares, or merchandise used for free distribution to the poor and needy. Such refunds may be obtained only in the following amount and in the manner and only under all of the following conditions:
1. On forms furnished by the commissioner, and during the time herein provided for the filing of quarterly tax returns by retailers, the relief agency shall report to the commissioner the total amount or amounts, valued in money, expended directly or indirectly for goods, wares, or merchandise used for free distribution to the poor and needy.2. On these forms the relief agency shall separately list the persons making the sales to it or to its order, together with the dates of the sales, and the total amount so expended by the relief agency.3. The relief agency must prove to the satisfaction of the commissioner that the person making the sales has included the amount thereof in the computation of the gross receipts of such person and that such person has paid the tax levied by this chapter, based upon such computation of gross receipts. If the commissioner is satisfied that the foregoing conditions and requirements have been complied with, the commissioner shall refund the amount claimed by the relief agency.