18. The municipality shall, within 150 days following the sending by the competent person of a demand for refund of compensation collected in excess, refund the amount collected in excess to that person.
The competent person may not send such a demand after 31 December of the fiscal period following the fiscal period during which the alteration to the roll is made giving rise to the amount collected in excess. Notwithstanding the foregoing, in the case of an amount collected in excess contemplated in section 12, the demand may not be sent after the expiry of the time limit provided for in that section.
O.C. 1086-92, s. 18; O.C. 1170-2001, s. 12.