How to Add a Credit Card Type to Sage 300 Bank Services Steps: Open Common Services > Bank Services > Bank Setup > Credit Card Types.In the Credit Card Type field, enter a code to identify the credit card.Enter a description for the code (such as “VISA” or “American Express”).If your company does not currently accept or use the credit card, but may do so in the future, select the Inactive option.Click Add. Sage 300 Request Support