29 CFR §15.111

1. (a)Any award, compromise, or settlement in the amount of $2,500 or less made pursuant to this section shall be paid by the Secretary of Labor out of appropriations available to the Department.
2. (b)Payment of an award, compromise, or settlement in an amount in excess of $2,500 made pursuant to this subpart shall be made in accordance with 28 CFR 14.10.
3. (c)An award, compromise or settlement of a claim under 28 U.S.C. 2672 and this subpart in excess of $25,000 may be effected only with the prior written approval of the Attorney General or his designee. For the purpose of this subpart, a principal claim and any derivative or subrogated claim shall be treated as a single claim.