Indiana Code Title 32. Property § 32-33-3-4

(1) from the proceeds of sale, deduct the charges due plus the costs of notifying the owner;

(2) hold the over-plus, if any, subject to the order of the owner;

(3) immediately after the sale mail to the owner at the owner's address, if known, a notice of the sale and the amount of over-plus, if any, due the owner;  and

(4) at any time within twelve (12) months after the sale, upon demand by the owner, pay to the owner the sums or over-plus.