Within five months of this section becoming applicable to a city, the governing body of each city with a population exceeding ten thousand shall adopt written policies, after a public hearing for consideration of the policies, which will be applied for cost allocation among properties benefited by a special assessment project. Policies established under this section must provide separately the policy that will be applied for cost allocation for each kind of special assessment and the cost allocation method for residential, commercial, and agricultural property and for any property subject to separate or special assessment factors or assessment rates.
N.D.C.C. § 40-22-01.2