KembaraXtra – Travel Terms: agents’ coupon
With electronic air ticketing now standard (and increasingly mirrored in other transport modes), the paper-based coupon system described is becoming obsolete. Historically, tickets had multiple coupons, with the top copy serving accounting/audit functions; the agents’ coupon (issuing office copy) was retained by the agent. The entry explains how fraud could occur through “cardboarding,” inserting cardboard to block carbon transfer so different coupons showed different details, and notes that if matching carbon colors were used the falsification could be hard to detect unless all coupons were compared;