Versions of 29 CFR Part 506 - Attestations by Employers Using Alien Crewmembers for Longshore Activities in U.S. Ports on LawServer 2024 29 CFR Part 506 – Attestations by Employers Using Alien Crewmembers for Longshore Activities in U.S. Ports 2023 29 CFR PART 506 – ATTESTATIONS BY EMPLOYERS USING ALIEN CREWMEMBERS FOR LONGSHORE ACTIVITIES IN U.S. PORTS 2022 29 CFR Part 506 – Attestations by Employers Using Alien Crewmembers for Longshore Activities in U.S. Ports 2021 29 CFR Part 506 – Attestations by Employers Using Alien Crewmembers for Longshore Activities in U.S. Ports 2020 29 CFR Part 506 – Attestations by Employers Using Alien Crewmembers for Longshore Activities in U.S. Ports