The city council may approve an incremental payment or guarantee plan. The improvements in a prior increment must be completed or the payment or guarantee of payment for the costs of the improvements incurred in a prior increment must be satisfied before development of future increments.

Where a subdivision is to be developed in phase portions, the city council may, at its discretion, waive the use of a guarantee of the initial portion, provided that the portion contains no more than twenty-five lots, or fifty percent of the total number of lots in the proposed subdivision, whichever is less. The city council may grant final plat approval to only one portion at a time. The plat approval for each succeeding portion will be contingent upon completion of all improvements in each preceding portion and acceptance of those improvements by the city council. Completion of improvements in the final portion of the subdivision must be guaranteed through the use of one of the other methods detailed in this section. (Ord. 588 § 1(part), 1996)