N.Y. Public Service Law § 89-n: Defense in case of excessive charges for water

§ 89-n. Defense in case of excessive charges for water. If it be

alleged and established in an action brought in any court for the

collection of any charge for water that a price has been demanded in

excess of that fixed by the commission or by statute in the municipality

wherein the action arose, no recovery shall be had therein, but the fact

that such excessive charges have been made shall be a complete defense

to such action.