Post-dated cheques may be mailed to #5 -1410 Caribou Street West, Moose Jaw, SK S6H 7S9 or put in the mail slot on our office door or through the mail slot on the west side of the Regional Municipal Plaza building. In order to be accepted for payment in December 2019, the envelope must be postmarked no later than December 31, 2019. If you have any questions, please call the office at (306) 693-8400.