(1) Online banking: After logging in to online banking, select "Credit Card" → "My Account" → "Account Signing" → "Add Signing Account". Follow the prompts to sign up your credit card to online banking. To cancel the contract, click "Cancel Contract" behind the card number on this page.
(2) E Online Banking: After logging in to Express Online Banking, please select "Personal Settings" → "Signature Management" on the left menu to sign or cancel the card.