Please note that you may update your payment method by following the steps:

First, log into your AMS account: https://www.multispecialtysociety.com/login
 
> Manage my membership 
> Update my payment information
> Select the credit card
> Proceed with payment 


You will see this option appear down below; please click on "manage my membership":
You will then see this window appear, which is where you might update your payment information:





Once you update your card information, your next membership due will be automatically charged to your provided card, unless you unsubscribe following our Membership Terms & Conditions.