(8) For purposes of this subsection— (A) The term “airport store” means a duty-free sales enterprise which delivers merchandise to, or on behalf of, individuals departing from the customs territory from an international airport located within the customs territory. (B) The term “border store” means a duty-free sales enterprise which delivers merchandise to, or on behalf of, individuals departing from the customs territory through a land or water border by a means of conveyance other than an aircraft. (C) The term “customs territory” means the customs territory of the United States and foreign trade zones. (D) The term “duty-free sales enterprise” means a person that sells, for use outside the customs territory, duty-free merchandise that is delivered from a bonded warehouse to an airport or other exit point for exportation by, or on behalf of, individuals departing from the customs territory. (E) The term “duty-free merchandise” means merchandise sold by a duty-free sales enterprise on which neither Federal duty nor Federal tax has been assessed pending exportation from the customs territory. (F) The term “exit point” means the area in close proximity to an actual exit for departing from the customs territory, including the gate holding area in the case of an airport, but only if there is reasonable assurance that duty-free merchandise delivered in the gate holding area will be exported from the customs territory. (G) The term “personal use quantities” means quantities that are only suitable for uses other than resale, and includes reasonable quantities for household or family consumption as well as for gifts to others.