Versions of 23 CFR Part 669 - Enforcement of Heavy Vehicle Use Tax on LawServer 2024 23 CFR Part 669 – Enforcement of Heavy Vehicle Use Tax 2023 23 CFR PART 669 – ENFORCEMENT OF HEAVY VEHICLE USE TAX 2022 23 CFR Part 669 – Enforcement of Heavy Vehicle Use Tax 2021 23 CFR Part 669 – Enforcement of Heavy Vehicle Use Tax 2020 23 CFR Part 669 – Enforcement of Heavy Vehicle Use Tax