Payments, interest and penalties MINISTRY OF FINANCE 33 KING ST W PO BOX 620 Oshawa ON L1H 8E9
Hours of Service Monday to Friday 8:30am to 5:00pm (EST)
Oshawa : 905-433-6708 Toronto : 416-920-9048 ext 3036 Toll-Free : 1-800-262-0784 ext 3036 Fax : 905-433-5197 |