5 C.F.R. § 870.906 Cancellation of insurance.
Title 5 - Administrative Personnel
(a) The right to cancel (or reduce) insurance transfers to the assignee; the insured individual cannot cancel (or reduce) insurance after making an assignment. (b) The assignee has the right to cancel insurance according to the provisions of §§870,502 and 870.505. When there is more than one assignee, all assignees must agree to the cancellation. A cancellation of Basic insurance also cancels all Optional insurance.
Title 5: Administrative Personnel
PART 870—FEDERAL EMPLOYEES' GROUP LIFE INSURANCE PROGRAM
Subpart I—Assignments of Life Insurance
§ 870.906 Cancellation of insurance.