5 C.F.R. § 838.502 Expressly dividing a refund of employee contributions.
Title 5 - Administrative Personnel
(a) A court order directed at a refund of employee contributions is not a court order acceptable for processing unless it expressly awards a former spouse a portion of a refund of employee contributions as provided in paragraph (b) of this section. (b) To expressly award a former spouse a portion of a refund of employee contributions as required by paragraph (a) of this section, the court order must— (1) Identify the retirement system using terms that are sufficient to identify the retirement system as explained in §838.611; and (2) Expressly state that the former spouse is entitled to a portion of a refund of employee contributions using terms that are sufficient to identify the refund of employee contributions as explained in §838.612.
Title 5: Administrative Personnel
PART 838—COURT ORDERS AFFECTING RETIREMENT BENEFITS
Subpart E—Requirements for Court Orders Affecting Refunds of Employee Contributions
§ 838.502 Expressly dividing a refund of employee contributions.