The provisions of law that govern CSRS benefits are in 5 U.S.C. 8341, 8342, 8345 and 8346. The law governing FERS benefits is in 5 U.S.C. 8401, 8424, 8445, 8467 and 8470. Regulations covering both are at 5 CFR 838. The law on continuing FEHB coverage for former spouses is in 5 U.S.C. 8901 and 8905. Regulations are at 5 CFR 890 subpart H.
Assignments of FEGLI coverage are authorized by 5 U.S.C. 8706. Regulations are at 5 CFR 870 subpart I. Regulations on garnishment are at 5 CFR 581-582.
The OPM Handbook for Attorneys on Court Ordered Retirement, Health Benefits, and Life Insurance is at www.opm.gov/retirement-services/publications-forms/pamphlets/ri83-116.pdf.
The Thrift Savings Plan’s policies governing court orders are at 5 U.S.C. 8435(c) and 8467, and 5 CFR 1653 subpart A. Policies governing legal processes are at 5 U.S.C. 8437(e)(3) and 5 CFR 1653 subpart B. The booklet Court Orders and Powers of Attorney contains a sample legal process and other information, and the legal document Court Order Language contains a sample retirement benefits court order. These are available at www.tsp.gov/forms/legalDocuments.shtml, through personnel offices, and through the TSP Service Office, P.O. Box 385021, Birmingham, AL 35238, phone from the United States and Canada toll-free (877) 968-3778, TDD (877) 847-4385; other callers (404) 233-4400.