Code of Federal Regulations > Title 33 > Chapter I > Part 157-RULES - PART 157-RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO TANK VESSELS CARRYING OIL IN BULK

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

Subpart A [§ 157.01 - § 157.07] - Subpart A-General

Subpart B [§ 157.08 - § 157.24a] - Subpart B-Design, Equipment, and Installation

Subpart C [§ 157.25 - § 157.49] - Subpart C-Vessel Operation

Subpart D [§ 157.100 - § 157.172] - Subpart D-Crude Oil Washing (COW) System on Tank Vessels

Subpart E [§ 157.200 - § 157.228] - Subpart E-Dedicated Clean Ballast Tanks on Tank Vessels

Subpart F [§ 157.300 - § 157.310] - Subpart F-Exemption From § 157.10a or § 157.10c

Subpart G [§ 157.400 - § 157.460] - Subpart G-Interim Measures for Certain Tank Vessels Without Double Hulls Carrying Petroleum Oils

Subpart H [§ 157.500 - § 157.510] - Subpart H-Interim Measures for Certain Tank Vessels Without Double Hulls Carrying Animal Fat or Vegetable Oil

Subpart I [§ 157.600 - § 157.610] - Subpart I-Interim Measures for Certain Tank Vessels Without Double Hulls Carrying Other Non-Petroleum Oil

Appendix Appendix A - Appendix A to Part 157-Damage Assumptions, Hypothetical Outflows, and Cargo Tank Size and Arrangements

Appendix Appendix B - Appendix B to Part 157-Subdivision and Stability Assumptions

Appendix Appendix C - Appendix C to Part 157-Procedure for Determining Distribution of Segregated Ballast Tanks To Provide Protection Against Oil Outflow in the Event of Grounding, Ramming, or Collision

Appendix Appendix D - Appendix D to Part 157-Example of a Procedure for Dedicated Clean Ballast Tanks Operations

Appendix Appendix E - Appendix E to Part 157-Specifications for the Design, Installation and Operation of a Part Flow System for Control of Overboard Discharges

Appendix Appendix F - Appendix F to Part 157 [Reserved]

Appendix Appendix G - Appendix G to Part 157-Timetables for Application of Double Hull Requirements