10 3.52.1 The operator shall be responsible for the custody and care of passengers and crew until they are accepted for such examination. The responsibility of the operator shall include the custody of passengers and crew between the aircraft and the terminal building and within the terminal building transit area, it being understood that the Contracting State may, if it so wishes, relieve the operator from all, or part of this responsibility. [...] 3.52.2 Recommended Practice.-