CFR›Title 5›Chapter I›Part 838›Subpart A›Subject Group Address for Filing Court Orders With OPM ContainsAppendix ACorpusDaily eCFRDisplayed edition2026-10-01Last updated2026-10-01 Appendices Appendix A to Subpart A of Part 838 Appendix A to Subpart A of Part 838—Addresses for Serving Court Orders Affecting CSRS or FERS Benefits