3. Click Setup in the left-hand menu.
4. Click Billing Options and Settings.
5. Open the Credit Cards area.
6. Select Securely store credit/debit card information for re-use.
7. Click Save.Now you will have new selections available to allow payment by profile when you assign fee items to your members. In addition, members checking out and paying for bills in Member Information Center v3 and v4 and when registering for events will now see a selection to “Save card..” and use profiles that have been saved already.