Code of Federal Regulations Title 43. Public Lands:  Interior § 43.3282.7 What is the effective date of an initial participating area or revision of an existing participating area?

(a) BLM will establish the appropriate effective date of an initial participating area or any revision to a participating area. The effective date may be, but is not limited to, the first day of the month in which:

(b) The unit operator may request BLM to approve a specific effective date for the participating area or revision, but the date may not be earlier than the effective date of the unit.