5 C.F.R. § 870.1009 – Responsibilities of the U.S. Department of State.

(a) The U.S. Department of State functions as the “employing office” for individuals insured under this subpart.
(b) The U.S. Department of State must determine the eligibility of individuals under Pub. L. 101-513 (104 Stat. 2035) for insurance under this subpart. This includes determining whether an individual is barred from insurance under chapter 87 of title 5 U.S.C. because of other life insurance as provided in section 599C of Pub. L. 101-513 (104 Stat. 2035).