You can add/update your credit card information by following the steps below.
Step 1: Log in to your account using your email address and password.
Step 2: Click 'My Account' then 'My Profile'.
Step 3: Click 'Stored Cards'.
Step 4: Click 'Add a card'.
Step 5: Choose 'Canadian Users' or 'USA and Int'l Users'.
Step 6: Input your credit card information, click 'Add Card', and you're done!
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If you require any assistance, please email us at firstname.lastname@example.org.