Versions of 40 CFR Part 93 - Determining Conformity of Federal Actions to State or Federal Implementation Plans on LawServer 2024 40 CFR Part 93 – Determining Conformity of Federal Actions to State or Federal Implementation Plans 2023 40 CFR PART 93 – DETERMINING CONFORMITY OF FEDERAL ACTIONS TO STATE OR FEDERAL IMPLEMENTATION PLANS 2022 40 CFR Part 93 – Determining Conformity of Federal Actions to State or Federal Implementation Plans 2021 40 CFR Part 93 – Determining Conformity of Federal Actions to State or Federal Implementation Plans 2020 40 CFR Part 93 – Determining Conformity of Federal Actions to State or Federal Implementation Plans