A method of regulating usage and/or concession eligibility in a smart card system is described herein. A card acceptance location (110) detects a presence of a smart card and determines its identification code. The card acceptance location (110) checks the identification code against a list stored locally...http://www.google.ca/patents/US20040225776?utm_source=gb-gplus-sharePatent US20040225776 - METHOD OF REGULATING USAGE AND/OR CONCESSION ELIGIBILITY VIA DISTRIBUTED LIST MANAGEMENT IN A SMART CARD SYSTEM