5 CFR § 838.123 - Claimants' responsibilities.

---
identifier: "/us/cfr/t5/s838.123"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "5 CFR § 838.123 - Claimants' responsibilities."
title_number: 5
title_name: "Administrative Personnel"
section_number: "838.123"
section_name: "Claimants' responsibilities."
chapter_name: "OFFICE OF PERSONNEL MANAGEMENT"
subchapter_number: "B"
subchapter_name: "CIVIL SERVICE REGULATIONS"
part_number: "838"
part_name: "COURT ORDERS AFFECTING RETIREMENT BENEFITS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "5 U.S.C. 8347(a) and 8461(g). Subparts B, C, D, E, J, and K also issued under 5 U.S.C. 8345(j)(2) and 8467(b). Sections 838.221, 838.422, and 838.721 also issued under 5 U.S.C. 8347(b)."
regulatory_source: "57 FR 33574, July 29, 1992, unless otherwise noted."
cfr_part: "838"
---


# 838.123 Claimants' responsibilities.

Claimants are responsible for—

(a) Filing a certified copy of court orders and all other required supporting information with OPM;

(b) Keeping OPM advised of their current mailing addresses;

(c) Notifying OPM of any changes in circumstances that could affect their entitlement to benefits; and

(d) Submitting all disputes with employees or retirees to the appropriate State court for resolution.