43 CFR § 3137.130
Under what circumstances will BLM approve a voluntary termination of the unit?
June 11, 2020
BLM will approve the voluntary termination of the unit at any time—
(a) Before the unit operator discovers production sufficient to establish a participating area; and
(b) The unit operator submits to BLM certification that at least 75 percent of the operating rights owners in the unit agreement, on a surface acreage basis, agree to the termination.