(b) Title, Possession, and Purchase.—
(1) In general.— The Secretary may
(A) accept a conveyance of title to and possession of property from the obligor or another party liable to the Secretary; and
(B) purchase the property for an amount not greater than the unpaid principal amount of the obligation and interest thereon.
(2) Payment of excess.—
If, through the sale of property, the Secretary receives an amount of cash greater than the unpaid principal amount of the obligation, the unpaid interest on the obligation, and the expenses of collecting those amounts, the Secretary shall pay the excess to the obligor.