(a) An award, compromise, or settlement of a claim under 28 U.S.C. 2672, and this part, in excess of $25,000 can be effected only with the prior written approval of the Attorney General or his or her designee. For purposes of this paragraph, a principal claim and any derivative or subrogated claim will be treated as a single claim.

(b) An administrative claim may be adjusted, determined, compromised, or settled under this part, only after consultation with the Department of Justice when, in the opinion of the General Counsel of OPM, or his or her designee:

(1) A new precedent or a new point of law is involved; or

(2) A question of policy is or may be involved; or

(3) The United States is or may be entitled to indemnity or contribution from a third party and OPM is unable to adjust the third party claim; or

(4) The compromise of a particular claim, as a practical matter, will or may control the disposition of a related claim in which the amount to be paid may exceed $25,000.

(c) An administrative claim may be adjusted, determined, compromised, or settled under 28 U.S.C. 2672, and this part, only after consultation with the Department of Justice when, OPM is informed or is otherwise aware that the United States or an employee, agent, or cost-type contractor of the United States is involved in litigation based on a claim arising out of the same incident or transaction.