The Secretary of the Treasury, or an officer, employee, or agent designated by the Secretary, may audit a depositary of public money. For uniformity and accuracy in accounts and safety of public money, an individual conducting an audit shall audit a depositary’s—

(1) books;

(2) accounts;

(3) returns; and

(4) public money on hand and the way the money is kept.

(Pub. L. 97–258, Sept. 13, 1982, 96 Stat. 949.)