On completion of the improvement project, if the assessment previously levied on any property is found to be more than sufficient to pay the cost of the improvement, the council shall determine the excess and declare it by ordinance. When declared, the excess amounts must be entered in the lien docket as a credit on the appropriate assessment. If an assessment has been paid, the person who paid it or that person's legal representative shall be entitled to payment of the rebate credit. (Ord. 681, 3-25-1985)