50 CFR § 29.63
What plugging and reclamation requirements apply to my pre-existing operations?
July 17, 2020
Upon completion of your production operation, you are subject to the reclamation standards in §29.117(d). You must obtain an operations permit in accordance with §§29.90 through 29.97, Operations Permit: Application, and all applicable requirements of this subpart, prior to plugging your well and conducting site reclamation.