CFR > Title 40 > Chapter I > Subchapter I > Part 255 > Subpart A CFR > Title 40 > Chapter I > Subchapter I > Part 255 > Subpart A – General Provisions Current as of: 2024 | Check for updates | Other versions § 255.1 Scope and purpose § 255.2 Definitions Ask a legal question, get an answer ASAP!Click here to chat with a lawyer about your rights.