The obligations of an authority shall not be a debt of the state of North Dakota and the state shall not be liable thereon. The obligations of an authority shall not be a debt of a city and a city shall not be liable thereon unless a city agrees to assist in financing projects and facilities through the issuance of municipal bonds or other obligations which are considered to be a part of the debt of the city as provided in section 40-33.1-04.
N.D.C.C. § 40-33.1-11