CFR›Title 48›Chapter 12›Part 1223›Subpart 1223.3 ContainsSection 1223.303CorpusDaily eCFRDisplayed edition2026-09-01Last updated2026-09-01 Subpart 1223.3—Hazardous Material Identification and Material Safety Data Sections 1223.303 1223.303 Contract clause. Next 1223.70 Subpart 1223.70—Safety Requirements for Selected DOT Contracts