1) An arrangement with a company for use of facilities, goods or services. 2) For a Hotel Event, a future event contracted in writing by an event organizer with a hotel. According to guidelines from the International Association of Convention & Visitor Bureaus, the local CVB should receive a copy of the contract, or a written communication from an authorized agent of the hotel that a contract has been signed. The communication should detail dates, space requirements and estimated room block. The CVB should track estimated attendance and attendee spending for the event. 3) For a Citywide or Convention Center event, according to guidelines from the International Association of Convention & Visitor Bureaus, given the long-time frame often involved in such an event, the booking process generally takes two steps. The first is a Confirmed Booking where a future event is confirmed in writing (letter, booking notice), signed by an authorized agent of the event organizer and the convention center (if applicable). The written communication should detail dates, space requirements and estimated room block. The local CVB should track estimated attendance and attendee spending. The second step is a Contracted Booking where a future event is contracted in writing by the event organizer with the event facility (e.g., convention center). The local CVB should receive communication of this stage in writing from an authorized agent of the convention center.