Versions of See prior versions of a law on LawServer 2024 5 CFR Part 3501 – Supplemental Standards of Ethical Conduct for Employees of the Department of the Interior 2023 5 CFR PART 3501 – SUPPLEMENTAL STANDARDS OF ETHICAL CONDUCT FOR EMPLOYEES OF THE DEPARTMENT OF THE INTERIOR 2022 5 CFR Part 3501 – Supplemental Standards of Ethical Conduct for Employees of the Department of the Interior 2021 5 CFR Part 3501 – Supplemental Standards of Ethical Conduct for Employees of the Department of the Interior 2020 5 CFR Part 3501 – Supplemental Standards of Ethical Conduct for Employees of the Department of the Interior