Versions of 14 CFR Part 404 - Petition and Rulemaking Procedures on LawServer 2024 14 CFR Part 404 – Petition and Rulemaking Procedures 2023 14 CFR PART 404 – PETITION AND RULEMAKING PROCEDURES 2022 14 CFR Part 404 – Petition and Rulemaking Procedures 2021 14 CFR Part 404 – Petition and Rulemaking Procedures 2020 14 CFR Part 404 – Petition and Rulemaking Procedures