5 C.F.R. § 838.111 Exemption from legal process except as authorized by Federal law.
Title 5 - Administrative Personnel
(a) Employees, retirees, and State courts may not assign CSRS and FERS benefits except as provided in this part. (b) CSRS and FERS benefits are not subject to execution, levy, attachment, garnishment or other legal process except as expressly provided by Federal law.
Title 5: Administrative Personnel
PART 838—COURT ORDERS AFFECTING RETIREMENT BENEFITS
Subpart A—Court Orders Generally
Statutory Limit on Court's Authority
§ 838.111 Exemption from legal process except as authorized by Federal law.