N.D. Cent. Code § 40-05-11
Any city of another state situated within five miles [8.05 kilometers] of the boundary line of this state may purchase, lease, own, and hold real estate in this state for waterworks or sewerage purposes and may improve the land for municipal purposes in the same manner as a city situated in this state, and may lease, let, or convey the land. Any city so situated may acquire, by purchase, gift, devise, or, subject to chapter 32-15, condemnation, any property, corporeal or incorporeal within this state, as may be necessary or convenient for the construction and maintenance of an electric power transmission line, which electric power transmission line has the function of connecting a municipal power plant, owned and operated by that city, with distribution facilities owned by the government of the United States for distributing electric power generated at Garrison Dam. Such foreign city is liable for all damages growing out of or incident to the ownership, use, or occupation of any such real estate in this state as if it were a municipality of this state.
N.D.C.C. § 40-05-11