CFR›Title 5›Chapter I›Part 880 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 880—RETIREMENT AND INSURANCE BENEFITS DURING PERIODS OF UNEXPLAINED ABSENCE Subparts A Subpart A—General Sections 880.101–880.103 B Subpart B—Procedures Sections 880.201–880.207 C Subpart C—Continuation of Benefits Sections 880.301–880.304 Authority5 U.S.C. 8347(a), 8461(g), 8716, 8913.Source63 FR 10291, Mar. 3, 1998, unless otherwise noted. Previous 875 Part 875—Federal Long Term Care Insurance Program Next 890 Part 890—Federal Employees Health Benefits Program