The requirements for documents needed at check-in depend on the type of accommodation and the applicable regulations. For hotels and other accommodation facilities, a Russian passport, an international passport, or a driver’s license may be accepted. For apartments, serviced apartments, and other properties where check-in or contract conclusion is carried out according to the rules of a specific property, the required documents are determined by the property itself. The front desk is open until 23:00. In the apartment, remote check-in is possible by prior arrangement. Мanagers' working hours are till 11:00 PM; contact regarding check-in and instructions can only be made during business hours.