28 U.S.C. § 2677
Compromise
The Attorney General or his designee may arbitrate, compromise, or settle any claim cognizable under section 1346(b) of this title , after the commencement of an action thereon.
( June 25, 1948, ch. 646 , 62 Stat. 984 ; Pub. L. 89–506, § 3 , July 18, 1966 , 80 Stat. 307 .)