Payment system, especially for use by fleet vehicle drivers at gas stations, restricts purchase of goods or services to those previously authorized in central database

摘要

At least one scanner (200) is used to read an identification means (400) such as a card carried by a user, in order to obtain an identification number. A central database (210) is connected to the scanner via a communication link and includes at least one field (230) for one or more identification numbers, the field corresponding to a product or service and comprising a value that indicates whether the product or service can be sold to the user.