CFR /  Title 5  /  Part 304  /  Sec. 304.107 Reports.

As required by 5 U.S.C. 3109(e), each agency shall report to the Office of Personnel Management on an annual basis:

(a) The number of days the agency employed each paid expert or consultant; and

(b) The total amount the agency paid each expert or consultant so employed. (Do not include payments for travel and related expenses.)