{"abstract":"In accordance with the Marine Mammal Protection Act (MMPA), as amended, its implementing regulations, and NMFS' MMPA Regulations for Taking Marine Mammals Incidental to Geophysical Surveys Related to Oil and Gas Activities in the Gulf of Mexico, notification is hereby given that a Letter of Authorization (LOA) has been issued to Anadarko Petroleum Corporation (Anadarko) for the take of marine mammals incidental to geophysical survey activity in the Gulf of Mexico.","action":"Notice of issuance of Letter of Authorization.","agencies":[{"raw_name":"DEPARTMENT OF COMMERCE","name":"Commerce Department","id":54,"url":"https://www.federalregister.gov/agencies/commerce-department","json_url":"https://www.federalregister.gov/api/v1/agencies/54","parent_id":null,"slug":"commerce-department"},{"raw_name":"National Oceanic and Atmospheric Administration","name":"National Oceanic and Atmospheric Administration","id":361,"url":"https://www.federalregister.gov/agencies/national-oceanic-and-atmospheric-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/361","parent_id":54,"slug":"national-oceanic-and-atmospheric-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2021/09/22/2021-20465.html","cfr_references":[],"citation":"86 FR 52638","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"The LOA is effective from September 18, 2021 through March 17, 2022.","disposition_notes":null,"docket_ids":["RTID 0648-XB406"],"dockets":[],"document_number":"2021-20465","effective_on":"2021-09-18","end_page":52641,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2021/09/22/2021-20465.xml","html_url":"https://www.federalregister.gov/documents/2021/09/22/2021-20465/taking-and-importing-marine-mammals-taking-marine-mammals-incidental-to-geophysical-surveys-related","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2021-20465?publication_date=2021-09-22","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2021-09-22/2021-20465/mods.xml","not_received_for_publication":null,"page_length":4,"page_views":{"count":203,"last_updated":"2026-04-12 06:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2021-09-22/pdf/2021-20465.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2021-20465.pdf?1632228329","publication_date":"2021-09-22","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2021/09/22/2021-20465.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":52638,"subtype":null,"title":"Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Geophysical Surveys Related to Oil and Gas Activities in the Gulf of Mexico","toc_doc":"Geophysical Surveys Related to Oil and Gas Activities in the Gulf of Mexico","toc_subject":"Taking and Importing Marine Mammals:\n","topics":[],"type":"Notice","volume":86}