CFR›Title 33›Chapter I›Part 89 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 89—INLAND NAVIGATION RULES: IMPLEMENTING RULES Subparts A Subpart A—Certificate of Alternative Compliance Sections 89.1–89.18 B Subpart B—Waters Upon Which Certain Inland Navigation Rules Apply Sections 89.21–89.27 Authority33 U.S.C. 2071; 49 CFR 1.46(n)(14).SourceCGD 80-157, 47 FR 13801, Apr. 1, 1982, unless otherwise noted. Previous 88 Part 88—Annex V: Pilot Rules Next 90 Part 90—Inland Rules: Interpretative Rules