HTML Frame Requirements

When your customers are redirected to the ACS URL, their browsers display the frame containing the card-issuing bank’s password autheßntication page or the option to sign up for the program (activation form).

On the page that contains the in-line frame for the ACS URL:

Ensure that the HTML frame is large enough to accommodate the card-issuer’s authentication or activation form, and text that describes the process to the customer.

Provide a brief message outside the HTML frame to guide customers through the process. For example, “We are processing your request. Do not click the Back button or refresh the page or this transaction may be interrupted.”