Montana Title 7. Local Government § 7-12-4109. Extension of proposed district

(1) the contemplated work of improvement, in the opinion of the council, is of more than local or ordinary public benefit; or

(2) the total estimated costs and expenses thereof, according to estimates furnished by the city engineer, would exceed one-fifth of the total taxable value of the lots and lands fronting upon said proposed work or improvement according to the valuation fixed by the last assessment roll.