(a) If the rental, cost, and damages determined under Section 125.510(d) are not paid before the second anniversary of the date on which the box is opened, the credit union may:
(1) sell all or part of the contents at a public auction in the manner and on the notice prescribed for the sale of real property under deed of trust under Section 51.002, Property Code; and
(2) apply the sale proceeds to the rental, cost, and damages.
(b) The credit union shall send to the comptroller as provided by Chapter 74, Property Code:
(1) the unauctioned contents of a box; and
(2) any excess proceeds from the auction.