Any notice, payment, remittance or other filing required to be made by the village pursuant to any tax ordinance shall be considered late unless it is: a) physically received by the village on or before the due date; or b) received in an envelope or other container displaying a valid, readable U.S. postmark dated on or before the due date, properly addressed to the village, with adequate postage prepaid. (Ord. 00-16, 12-11-2000)