N.D. Cent. Code § 38-09-06
The confirmation, approval, and adoption of an oil and gas lease under the provisions of section 38-09-05 must be by a proper resolution duly and regularly passed by the board of county commissioners at a regular or special meeting thereof. The board may insert in such resolution such provisions other than or in addition to those contained in the original lease as the board may consider for the best interests of the county. If new terms or provisions are added to the lease, the resolution must provide that such terms and provisions are binding upon the county and upon the lessee and the lessee's assigns upon the execution of a written acceptance endorsed upon a certified copy of such resolution by the lessee, the lessee's assigns, or successors in interest.
N.D.C.C. § 38-09-06