(a) The mailing address for delivery of court orders affecting CSRS or FERS benefits by the United States Postal Service is-
Office of Personnel Management, Retirement and Insurance Group, P.O. Box 17, Washington, DC 20044-0017
(b) The address for delivery of court orders affecting CSRS or FERS benefits by process servers, express carriers, or other forms of handcarried delivery is-
Court-ordered Benefits Section, Allotments Branch, Retirement and Insurance Group, Office of Personnel Management, 1900 E Street, NW., Washington, DC
5 C.F.R. A app A to Subpart A of Part 838