N.D. Cent. Code § 40-49-01
A municipality may receive by gift, devise, or conveyance real estate within its corporate limits, or within five miles [8.05 kilometers] thereof, for use as parks or public grounds. Such real estate shall be vested in the municipality upon the conditions imposed by the donors or conveyor, and upon the acceptance of the gift, devise, or conveyance by the executive officer and governing body of the municipality, the jurisdiction of the governing body shall be extended over such real estate. The governing body may enact bylaws, rules, and ordinances for the protection and preservation of any real estate acquired as provided in this section and may provide suitable penalties for the violation of any such bylaws, rules, or ordinances. The police powers of the municipality shall be extended at once over any real estate acquired in the manner provided in this section.
N.D.C.C. § 40-49-01