CFR›Title 20›Chapter II›20 CFR Part 233 Citation20 CFR Part 233ContainsSections § 233.1–§ 233.4CorpusDaily eCFRDisplayed edition2026-09-30Last updated2026-09-30 PART 233—REDUCTION IN THE WINDFALL BENEFIT ANNUITY COMPONENT Sections § 233.1 § 233.1 When reduction must be made. § 233.2 § 233.2 Computation of reduction. § 233.3 § 233.3 Reduction of retroactive and other similar payments. § 233.4 § 233.4 Reconsideration of the reduction computation. AuthoritySec. 1122(c), Pub. L. 97-35, 95 Stat. 638 (45 U.S.C. 231f).Source46 FR 50786, Oct. 15, 1981, unless otherwise noted.