CFR›Title 29›Subtitle B›Chapter V›29 CFR Part 506 Citation29 CFR Part 506ContainsSection § 506.1CorpusDaily eCFRDisplayed edition2026-09-24Last updated2026-09-24 PART 506—ATTESTATIONS BY EMPLOYERS USING ALIEN CREWMEMBERS FOR LONGSHORE ACTIVITIES IN U.S. PORTS Sections § 506.1 § 506.1 Cross-reference. Authority8 U.S.C. 1288 (c) and (d).Source61 FR 51014, Sept. 30, 1996, unless otherwise noted.