You can setup or change your existing TELUS pre-authorized payment plan online by doing the following: 1) Click on the following link: https://www.telus.com/youraccount 2) Log in with your Username/Email and password. 3) Under the "Billing" section, click on the number (link) under "Account #". 4) Where it says "Pre-authorized payment", click on the "Setup" or "Update" link beside it. 5) Select either "Debit from Canadian bank or credit union account" or "Charge to credit card" and hit the "Next >" button. 6) Complete the remainder of the requested information to finish setting up your pre-authorized payment plan.