third party n. a person who is not a party to a contract or a transaction, but has an involvement (such as a buyer from one of the parties, was present when the agreement was signed, or made an offer that was rejected). The third party normally has no legal rights in the matter,...
A point of sale (POS) device may be configured to locate a payment system and transmit a payment authorization request from a remote location to a payment system, either directly, o