{"data":{"id":"us/43-cfr-3137.85","jurisdiction":"us","citation":"43 CFR 3137.85","heading":"What is the effective date of a participating area?","body":"(a) The effective date of an initial participating area is the first day of the month in which you complete a well meeting the productivity criteria, but no earlier than the effective date of the unit.\n(b) The effective date of a modified participating area or modified allocation schedule is the earlier of the first day of the month in which you file the proposal for a modification or such other effective date as may be provided for in the unit agreement and approved by the BLM, but no earlier than the effective date of the unit.","path":["Title 43—Public Lands: Interior","Subtitle B—Regulations Relating to Public Lands","CHAPTER II—BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR","SUBCHAPTER C—MINERALS MANAGEMENT (3000)","PART 3130—OIL AND GAS LEASING: NATIONAL PETROLEUM RESERVE, ALASKA","Subpart 3137—Unitization Agreements—National Petroleum Reserve-Alaska"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-43.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:15Z","sha256":"bd5fc1e65f6b88732780c19dc455972f529c4729745f41beeb205024f739fd62","source_id":"us-cfr","stale":true,"prev":"us/43-cfr-3137.84","next":"us/43-cfr-3137.86"},"notice":"GroundRules: Original legal text. Not legal advice."}