• Subpart A [§ 217.1 - § 217.10] - Subpart A—Taking Marine Mammals Incidental to Russian River Estuary Management Activities

• Subpart B - Subparts B—C [Reserved]

• Subpart D [§ 217.30 - § § 217.38-217.39] - Subpart D—Taking Marine Mammals Incidental to Construction and Operation of the Liberty Drilling and Production Island

• Subpart E [§ 217.40 - § § 217.48-217.49] - Subpart E—Taking and Importing Marine Mammals; Alaska Gasline Development Corporation Liquefied Natural Gas Facilities Construction

• Subpart F [§ 217.50 - § 217.59] - Subpart F—Taking Marine Mammals Incidental to Lighthouse Repair and Tour Operations at Northwest Seal Rock, California

• Subpart G [§ 217.60 - § 217.69] - Subpart G—Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to U.S. Space Force Launches and Operations at Vandenberg Space Force Base, California

• Subpart H - Subpart H [Reserved]

• Subpart I - Subpart I—XXX

• Subpart J [§ 217.90 - § 217.99] - Subpart J—Taking and Importing Marine Mammals; U.S. Navy's Submarine Base New London Pier Construction

• Subpart K [§ 217.100 - § 217.108—217.109] - Subpart K—Taking Marine Mammals Incidental to Rocky Intertidal Monitoring Surveys Along the Oregon and California Coasts

• Subpart L [§ 217.110 - § 217.119] - Subpart L—Taking and Importing Marine Mammals Incidental to Navy Construction of the Pier 3 Replacement Project at Naval Station Norfolk at Norfolk, Virginia

• Subpart M [§ 217.120 - § 217.129] - Subpart M—Taking Marine Mammals Incidental to Seabird Research Activities in Central California

• Subpart N [§ 217.130 - § 217.138-217.139] - Subpart N—Subpart N—Taking and Importing Marine Mammals Incidental to U.S. Navy Construction at Portsmouth Naval Shipyard, Kittery, Maine

• Subpart P [§ 217.150 - § 217.158—217.159] - Subpart P—Taking Marine Mammals Incidental to Ice Roads and Ice Trails Construction and Maintenance on Alaska's North Slope

• Subpart Q [§ 217.160 - § 217.168—217.169] - Subpart Q—Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Oil and Gas Activities in Cook Inlet, Alaska.

• Subpart R [§ 217.170 - § 217.179] - Subpart R—Taking and Importing Marine Mammals Incidental to U.S. Navy Bulkhead Replacement/Repairs at Naval Station Newport in Newport, Rhode Island

• Subpart S [§ 217.180 - § 217.189] - Subpart S—Taking Marine Mammals Incidental to Geophysical Survey Activities in the Gulf of Mexico

• Subpart T [§ 217.190 - § 217.199] - Subpart T—Taking Marine Mammals Incidental to U.S. Coast Guard Alaska Facility Maintenance and Repair Activities

• Subpart U [§ 217.200 - § 217.209] - Subpart U—Taking Of Marine Mammals Incidental To The Port of Anchorage Marine Terminal Redevelopment Project

• Subpart W [§ 217.210 - § 217.219] - Subpart W—Taking and Importing Marine Mammals Incidental to Hampton Roads Connector Partners Construction at Norfolk, Virginia

• Subpart X - Subpart X [Reserved]

• Subpart Z - Subparts Z [Reserved]

• Subpart AA [§ 217.260 - § 217.269] - Subpart AA—Taking Marine Mammals Incidental to Construction of the Ocean Wind 1 Project Offshore of New Jersey

• Subpart BB [§ 217.270 - § 217.277] - Subpart BB—Taking Marine Mammals Incidental to Construction of the Revolution Wind Project Offshore of Rhode Island

• Subpart CC [§ 217.280 - § 217.289] - Subpart CC—Taking Marine Mammals Incidental to the Empire Wind Project, Offshore New York

• Subpart DD [§ 217.290 - § 217.299] - Subpart DD—Taking Marine Mammals Incidental to the Coastal Virginia Offshore Wind Commercial Project Offshore of Virginia

• Subpart EE - Subparts EE-KK [Reserved]