United Vacations has been removed from Apollo Leisure Shopper, Worldspan Tour Source and Amadeus Tour Source, and is now available only on res systems affiliated with VAX VacationAccess. To book United Vacations through a GDS, agents must now use Amadeus NA AgentNet VAX VacationAccess, Vacation.com AgentNet VAX VacationAccess, Sabre Vacations or Worldspan VacationSelect. Reservations made via Apollo LeisureShopper, Amadeus Tour Source or Worldspan Tour Source before November 30 are currently accessible by calling United Vacations at 800-328-6877. (AO)