Versions of See prior versions of a law on LawServer 2024 8 CFR Part 271 – Diligent and Reasonable Efforts to Prevent the Unauthorized Entry of Aliens by the Owners of Railroad Lines, International Bridges or Toll Roads 2023 8 CFR PART 271 – DILIGENT AND REASONABLE EFFORTS TO PREVENT THE UNAUTHORIZED ENTRY OF ALIENS BY THE OWNERS OF RAILROAD LINES, INTERNATIONAL BRIDGES OR TOLL ROADS 2022 8 CFR Part 271 – Diligent and Reasonable Efforts to Prevent the Unauthorized Entry of Aliens by the Owners of Railroad Lines, International Bridges or Toll Roads 2021 8 CFR Part 271 – Diligent and Reasonable Efforts to Prevent the Unauthorized Entry of Aliens by the Owners of Railroad Lines, International Bridges or Toll Roads 2020 8 CFR Part 271 – Diligent and Reasonable Efforts to Prevent the Unauthorized Entry of Aliens by the Owners of Railroad Lines, International Bridges or Toll Roads