CFR›Title 33›Chapter I›33 CFR Part 167 Citation33 CFR Part 167ContainsSubparts Subpart A–Subpart BCorpusDaily eCFRDisplayed edition2026-10-15Last updated2026-10-15 PART 167—OFFSHORE TRAFFIC SEPARATION SCHEMES Subparts Subpart A Subpart A—General Subpart B Subpart B—Description of Traffic Separation Schemes and Precautionary Areas Authority46 U.S.C. 70001, 70003; Department of Homeland Security Delegation No. 0170.0.SourceCGD 81-080, 48 FR 36456, Aug. 11, 1983, unless otherwise noted.