N.D. Cent. Code § 23-09-06
Each lodging establishment or assisted living facility must be provided with fire extinguishers as defined by the national fire protection association standard number ten in quantities as defined by the state building code and the state fire code. Standpipe and sprinkler systems must be installed as required by the state building code and state fire code. Fire extinguishers, sprinkler systems, and standpipe systems must conform with rules adopted by the state fire marshal. A contract for sale or a sale of a fire extinguisher installation in a public building is not enforceable, if the fire extinguisher or extinguishing system is of a type not approved by the state fire marshal for such installation. No fire extinguisher of a type not approved by the state fire marshal may be sold or offered for sale within the state.
N.D.C.C. § 23-09-06