To change your payment method for auto-renewal, please following these steps:
Sign in to your ACLM Account profile.
Then, click on the Past Billing and Invoicing button.
Under the Reoccurring Donations & Automatic Membership Renewal section, click the "View Membership" link for the Active enrollment, click on the card number, and then choose to "Add a New Payment Method."
How do I cancel / turn off auto-renewal for my membership dues?