No county, city, or township may lease, rent, or enter into a contract or agreement for the use of any road construction or maintenance equipment belonging to any county, city, or township on other than county, city, or township roads or projects at a rate which is less than the current equipment rental rates adopted by the North Dakota department of transportation as shown in its Standard Specifications for Road and Bridge Construction manual.
N.D.C.C. § 24-05-04.1