(a) Except as specified in paragraphs (b) through (e) and paragraph (g) of this section, the following activities are prohibited and thus are unlawful for any person to conduct or to cause to be conducted:

(1) Exploring for, developing, or producing oil, gas, or minerals within the Sanctuary, except for oil and gas production, which includes well abandonment, pursuant to existing leases or lease units in effect on the effective date of Sanctuary designation (Nov. 30, 2024).

(2)(i) Discharging or depositing from within or into the Sanctuary, other than from a cruise ship, any material or other matter, except:

(A) Fish, fish parts, chumming materials, or bait used in or resulting from lawful fishing activities within the Sanctuary, provided that such discharge or deposit is during the conduct of lawful fishing activities within the Sanctuary;

(B) For a vessel less than 300 gross registered tons (GRT), or a vessel 300 GRT or greater without sufficient holding tank capacity to hold sewage while within the Sanctuary, clean effluent generated incidental to vessel use by an operable Type I or II marine sanitation device (U.S. Coast Guard classification) approved in accordance with section 312 of the Federal Water Pollution Control Act, as amended (FWPCA), 33 U.S.C. 1322. Vessel operators must lock all marine sanitation devices in a manner that prevents discharge or deposit of untreated sewage;

(C) Clean vessel deck wash down, clean vessel engine cooling water, clean vessel generator cooling water, clean bilge water, or anchor wash;

(D) For a vessel less than 300 GRT, or a vessel 300 GRT or greater without sufficient holding capacity to hold graywater while within the Sanctuary, clean graywater as defined by section 312 of the FWPCA;

(E) Vessel engine or generator exhaust;

(F) Beyond 3 nautical miles from shore, sewage and non-clean graywater as defined by section 312 of the FWPCA generated incidental to vessel use by a U.S. Coast Guard vessel without sufficient holding tank capacity and without a Type I or II marine sanitation device; and beyond 12 nautical miles from shore, ammunition, pyrotechnics, or other materials directly related to training for search and rescue and live ammunition activities conducted by U.S. Coast Guard vessels and aircraft;

(G) Dredged material deposited at disposal sites within the Sanctuary authorized by the U.S. Environmental Protection Agency (EPA), in consultation with the U.S. Army Corps of Engineers, prior to the effective date of Sanctuary designation (Nov. 30, 2024); or

(H) Discharges incidental and necessary to oil and gas production within or into reservoirs contained within existing leases or lease units in effect on the effective date of Sanctuary designation ([EFFECTIVE DATE OF FINAL RULE]) from Platform Irene or Platform Heritage, including well abandonment.

(ii) Discharging or depositing from within or into the Sanctuary any material or other matter from a cruise ship except clean vessel engine cooling water, clean vessel generator cooling water, vessel engine or generator exhaust, clean bilge water, or anchor wash.

(iii) Discharging or depositing from beyond the boundary of the Sanctuary any material or other matter that subsequently enters the Sanctuary and injures a Sanctuary resource or quality, except material or other matter listed as exceptions in paragraphs (a)(2)(i)(A) through (F) and (a)(2)(ii) of this section.

(3) Drilling into, dredging, or otherwise altering the submerged lands of the Sanctuary; or constructing, placing, or abandoning any structure, material, or other matter on or in the submerged lands of the Sanctuary, except as incidental and necessary to:

(i) Conduct lawful fishing activities or lawful kelp harvesting;

(ii) Anchor a vessel;

(iii) Install or maintain an authorized navigational aid;

(iv) Repair, replace, or rehabilitate an existing dock, pier, breakwater, or jetty;

(v) Conduct maintenance dredging of entrance channels for harbors in existence prior to the effective date of Sanctuary designation (Nov. 30, 2024); or,

(vi) Drill, maintain, or abandon a well necessary for purposes related to oil and gas production pursuant to existing leases or lease units in effect on the effective date of Sanctuary designation (Nov. 30, 2024) from Platform Irene or Platform Heritage.

(vii) The exceptions listed in paragraphs (a)(3)(ii) through (vi) of this section do not apply in the Rodriguez Seamount Management Zone, the boundary of which is defined in appendix B to this subpart.

(4) Moving, removing, or injuring, or attempting to move, remove, or injure, a Sanctuary historical resource; or possessing or attempting to possess a Sanctuary historical resource, except as necessary for valid law enforcement purposes. This prohibition does not apply to, moving, removing, or injury resulting incidentally from lawful kelp harvesting or lawful fishing activities.

(5) Taking any marine mammal, sea turtle, or bird within or above the Sanctuary, except as authorized by the Marine Mammal Protection Act, as amended (MMPA), 16 U.S.C. 1361 et seq., Endangered Species Act, as amended (ESA), 16 U.S.C. 1531 et seq., Migratory Bird Treaty Act, as amended (MBTA), 16 U.S.C. 703 et seq., or any regulation promulgated under the MMPA, ESA, or MBTA.

(6) Possessing within the Sanctuary (regardless of where taken, moved, or removed from), any marine mammal, sea turtle, or bird, except as authorized by the MMPA, ESA, MBTA, by any regulation promulgated under the MMPA, ESA, or MBTA, or as necessary for valid law enforcement purposes.

(7) Deserting a vessel aground, at anchor, or adrift in the Sanctuary or leaving harmful matter aboard a grounded or deserted vessel in the Sanctuary.

(8) Attracting any white shark within the Sanctuary.

(9)(i) Moving, removing, taking, collecting, catching, harvesting, disturbing, breaking, cutting, or otherwise injuring, or attempting to move, remove, take, collect, catch, harvest, disturb, break, cut, or otherwise injure, any Sanctuary resource located more than 1,500 ft. below the sea surface within the Rodriguez Seamount Management Zone, as defined in appendix B to this subpart. This prohibition does not apply to lawful fishing, which is regulated pursuant to 50 CFR part 660.

(ii) Possessing any Sanctuary resource, the source of which is more than 1,500 ft. below the sea surface within the Rodriguez Seamount Management Zone, except as necessary for valid law enforcement purposes. This prohibition does not apply to possession of fish resulting from lawful fishing, which is regulated pursuant to 50 CFR part 660.

(10) Introducing or otherwise releasing from within or into the Sanctuary an introduced species, except striped bass (Morone saxatilis) released during catch and release fishing activity.

(11) Interfering with, obstructing, delaying, or preventing an investigation, search, seizure, or disposition of seized property in connection with enforcement of the Act or any regulation or permit issued under the Act.

(b) The prohibitions in paragraphs (a)(2) through (7) and (9) of this section do not apply to an activity necessary to respond to an emergency threatening life, property, or the environment.

(c)(1) The prohibitions in paragraphs (a)(2) through (7) and (9) and (10) of this section do not apply to existing activities carried out or approved by the Department of Defense that were conducted prior to the effective date of this designation ([EFFECTIVE DATE OF FINAL RULE]), as specifically identified in section 4.9 or appendix I to the final environmental impact statement for Chumash Heritage National Marine Sanctuary (for availability, see https://sanctuaries.noaa.gov/chumash-heritage/). New activities may be exempted from the prohibitions in paragraphs (a)(2) through (7) and (9) and (10) of this section by the Director after consultation between the Director and the Department of Defense. All Department of Defense activities must be carried out in a manner that avoids to the maximum extent practicable any adverse impacts on Sanctuary resources and qualities.

(2) In the event of threatened or actual destruction of, loss of, or injury to a Sanctuary resource or quality resulting from an untoward incident, including but not limited to spills and groundings caused by the Department of Defense, the Department of Defense shall promptly coordinate with the Director for the purpose of taking appropriate actions to respond to and mitigate the harm and, if practicable, restore or replace the Sanctuary resource or quality.

(d) The prohibitions in paragraphs (a)(2) through (9) of this section do not apply to any activity conducted under and in accordance with the scope, purpose, terms, and conditions of a National Marine Sanctuary general permit issued pursuant to subpart D of this part and § 922.233, or a special use permit issued pursuant to subpart D of this part.

(e) The prohibitions in paragraphs (a)(2) through (9) of this section, and paragraph (a)(10) of this section regarding any introduced species of shellfish that NOAA and the State of California have determined is non-invasive and will not cause significant adverse effects to Sanctuary resources or qualities, and that is cultivated in State waters as part of commercial shellfish aquaculture activities, do not apply to any activity authorized by any lease, permit, license, approval, or other authorization issued after the effective date of Sanctuary designation (Nov. 30, 2024) and issued by any Federal, State, or local authority of competent jurisdiction, provided that the applicant complies with § 922.36, the Director notifies the applicant and authorizing agency that the Director does not object to issuance of the authorization, and the applicant complies with any terms and conditions the Director deems necessary to protect Sanctuary resources and qualities. Amendments, renewals, and extensions of authorizations in existence on the effective date of designation constitute authorizations issued after the effective date of Sanctuary designation.

(f)(1) Notwithstanding paragraphs (d) and (e) of this section, in no event may the Director issue a National Marine Sanctuary general permit under subpart D of this part and § 922.233, or an ONMS authorization or special use permit under subpart D of this part authorizing, or otherwise approve:

(i) The exploration for, development, or production of oil, gas, or minerals within the Sanctuary;

(ii) The discharge of untreated or primary-treated sewage within the Sanctuary (except by certification, pursuant to §§ 922.10 and 922.234, of valid authorizations in existence prior to the effective date of designation (Nov. 30, 2024) and issued by other authorities of competent jurisdiction); or

(iii) The disposal of dredged material within the Sanctuary other than at sites authorized by the U.S. Environmental Protection Agency prior to the effective date of designation (Nov. 30, 2024). For the purposes of this subpart, the disposal of dredged material does not include the beneficial use of dredged material, as defined at § 922.231, related to dredging activity at Port San Luis.

(2) Any purported authorizations issued by other authorities within the Sanctuary shall be invalid.

(g) A person may conduct an activity prohibited by paragraphs (a)(2) through (10) of this section within the Sanctuary if such activity is specifically authorized by a valid Federal, State, or local lease, permit, license, or right of subsistence use or of access that is in existence on the effective date of Sanctuary designation (Nov. 30, 2024) and within the sanctuary designated area and complies with § 922.10, provided that the holder of the lease, permit, license, or right of subsistence use or of access complies with the certification procedures for CHNMS as outlined in § 922.234.