CFR›Title 8›Chapter I›Part 1 ContainsSections 1.1–1.4CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 1—DEFINITIONS Sections 1.1 § 1.1 Applicability. 1.2 § 1.2 Definitions. 1.3 § 1.3 Lawfully present aliens for purposes of applying for Social Security benefits. 1.4 § 1.4 Definition of Form I-94 Authority8 U.S.C. 1101; 8 U.S.C. 1103; 5 U.S.C. 301; Pub. L. 107-296, 116 Stat. 2135; 6 U.S.C. 1 et seq.Source76 FR 53778, Aug. 29, 2011, unless otherwise noted. Next 2 Part 2—Authority of the Secretary of Homeland Security