The members hotel chains, with member units all over the world, are controlled by there headquarters. The hotel services, operational systems and policies of the hotel chains are the same throughout the world. There is an standard system in order to guarantee that an overall efficiency is met. The key persons, such as the general manager and the department head are assigned from headquarters In addition, the staff inspection may take turns to work in other hotel branches international the world. The most obvious is the increased advantages throughout in making controlling reservations. The guests at the hotel can make their reservation for rooms at another within minutes.