Appendix B
Troubleshooting
NOTE: This document is CONFIDENTIAL and must be used exclusively for the operation of PAX programs. It may not be
duplicated, published, or disclosed without prior written permission from PAX.
.
239
V
V-Code: A unique 3-4 digit value printed on the back (front for American Express) of a
card to validate card information during the authorization process. CID – American
Express and Discover Card. CVC – MasterCard; CVV – Visa