48 C.F.R. § 222.406-9
(4) Liquidated damages.
(A) The agency head may adjust liquidated damages of $500 or less when the amount assessed is incorrect or waive the assessment when the violations—
(1) Were nonwillful or inadvertent; and
(2) Occurred notwithstanding the exercise of due care by the contractor, its subcontractor, or their agents.
(B) The agency head may recommend to the Administrator, Wage and Hour Division, that the liquidated damages over $500 be adjusted because the amount assessed is incorrect. The agency head may also recommend the assessment be waived when the violations—
(1) Were nonwillful or inadvertent; and
(2) Occurred notwithstanding the exercise of due care by the contractor, the subcontractor, or their agents.
[56 FR 36358, July 31, 1991, as amended at 77 FR 35880, June 15, 2012; 82 FR 61480, Dec. 28, 2017]