Such uniform service charge as the board may adopt shall be any percentage of the cost up to but not exceeding the average actual cost of installing such sewer laterals as before described. Such percentage of the average actual cost of installing such sewer laterals as may not be charged shall be borne by the village. Should the owner of property so connected default, the board shall act in the manner prescribed in subdivision one of this section.
The said board shall have authority to apply such percentage of the average actual cost of installing such sewer laterals as the village might pay, to such other sewer lateral connection for the same property or properties as in the judgment of the board might be advisable.
N.Y. Village Law § 14-1438