- <OPTION VALUE="CARD">credit card (all)</OPTION>
- <OPTION VALUE="CARD-VisaMC">credit card (Visa/MasterCard)</OPTION>
- <OPTION VALUE="CARD-Amex">credit card (American Express)</OPTION>
- <OPTION VALUE="CARD-Discover">credit card (Discover)</OPTION>
- <OPTION VALUE="CHEK">electronic check / ACH</OPTION>
- <OPTION VALUE="BILL">check / cash</OPTION>