[Code of Federal Regulations] [Title 30, Volume 2] [Revised as of July 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR250.146] [Page 256] TITLE 30--MINERAL RESOURCES CHAPTER II--MINERALS MANAGEMENT SERVICE, DEPARTMENT OF THE INTERIOR PART 250--OIL AND GAS AND SULPHUR OPERATIONS IN THE OUTER CONTINENTAL SHELF--Table of Contents Subpart A--General Sec. 250.146 Who is responsible for fulfilling leasehold obligations? (a) When you are not the sole lessee, you and your co-lessee(s) are jointly and severally responsible for fulfilling your obligations under the provisions of 30 CFR parts 250 through 282, unless otherwise provided in these regulations. (b) If your designated operator fails to fulfill any of your obligations under 30 CFR parts 250 through 282, the Regional Supervisor may require you or any or all of your co-lessees to fulfill those obligations or other operational obligations under the Act, the lease, or the regulations. (c) Whenever the regulations in 30 CFR parts 250 through 282 require the lessee to meet a requirement or perform an action, the lessee, operator (if one has been designated), and the person actually performing the activity to which the requirement applies are jointly and severally responsible for complying with the regulation. Naming and Identifying Facilities and Wells (Does Not Include MODUs)