| 摘要 |
Method for tracking a sales channel of a merchandise item, comprising: storing an item identifier of said merchandise item on a data carrier; storing in a data base said item identifier together with an associated sales channel identifier; selling said merchandise item together with said data carrier to a customer; reading at a customer's location said item identifier from said data carrier; transmitting said item identifier together with a location identifier to said registration data base; identifying said item identifier in said data base; and comparing said location identifier with said associated sales channel identifier. |
