CFR›Title 29›Subtitle B›Chapter XVII›Part 1921›29 CFR Part 1921 Subpart A Citation29 CFR Part 1921 Subpart AContainsSections § 1921.1–§ 1921.2CorpusDaily eCFRDisplayed edition2026-10-15Last updated2026-10-15 Subpart A—Applicability of Rules; Definitions Sections § 1921.1 § 1921.1 Applicability of rules. § 1921.2 § 1921.2 Definitions. AuthoritySec. 41, Longshoremen's and Harbor Workers' Compensation Act (33 U.S.C. 941); 5 U.S.C. 301.Source27 FR 4165, May 2, 1962, unless otherwise noted. Redesignated at 28 FR 7909, Aug. 2, 1963, and further redesignated at 36 FR 25232, Dec. 31, 1971.