CFR›Title 33›Chapter I›Part 174 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 174—STATE NUMBERING AND CASUALTY REPORTING SYSTEMS Subparts A Subpart A—General Sections 174.1–174.7 B Subpart B—Numbering System Requirements Sections 174.11–174.31 C Subpart C—Casualty Reporting System Requirements Sections 174.101–174.107 D Subpart D—State Reports Sections 174.121–174.125 Authority46 U.S.C. 6101 and 12302; DHS Delegation No. 00170.1, Revision No. 01.4.SourceCGD 72-54R, 37 FR 21402, Oct. 7, 1972, unless otherwise noted. Previous 173 Part 173—Vessel Numbering and Casualty and Accident Reporting Next 175 Part 175—Equipment Requirements