(a) Upon payment of the sum necessary to redeem, the deputy commissioner shall promptly deliver to the sheriff the redemption money paid and the name and address of the purchaser, his or her heirs or assigns.
(b) Of the redemption money received by the sheriff pursuant to this section, the sheriff shall hold as surplus to be disposed of pursuant to §11A-3-64 of this code an amount thereof equal to the amount of taxes, interest and charges due on the date of the sale, plus the interest at the rate of one percent per month thereon from the date of sale to the date of redemption.