{"data":{"id":"us/50-cfr-217.131","jurisdiction":"us","citation":"50 CFR 217.131","heading":"Effective dates.","body":"Regulations in this subpart are effective for a period of 5 years from the date of issuance.","path":["Title 50—Wildlife and Fisheries","CHAPTER II—NATIONAL MARINE FISHERIES SERVICE, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE","SUBCHAPTER C—MARINE MAMMALS","PART 217—REGULATIONS GOVERNING THE TAKE OF MARINE MAMMALS INCIDENTAL TO SPECIFIED ACTIVITIES","Subpart N—Subpart N—Taking and Importing Marine Mammals Incidental to U.S. Navy Construction at Portsmouth Naval Shipyard, Kittery, Maine"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-50.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:39Z","sha256":"e4bbfada97154e26eb1742f98b44373f0d704dcadb2ad6e0368a684d15c62cf3","source_id":"us-cfr","stale":true,"prev":"us/50-cfr-217.130","next":"us/50-cfr-217.132"},"notice":"GroundRules: Original legal text. Not legal advice."}