The rate of collection may vary from time to time and by location and by type of tender used for payment so check at your local Canadian Tire gas bar. Each month during an equal payments plan you are required to pay in full by the due date that month’s equal payments plan instalment. eCTM is calculated on the pretax, purchase amount (or eligible portion thereof) and is rounded to the nearest cent. Taxes payable on price before rebate. In addition, individual Canadian Tire stores may exclude additional items sold in that store from being Eligible Merchandise.  We reserve the right, at any time without notice, to change what constitutes Eligible Merchandise.