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. 24-hour check-in is possible. When checking in after 09:00 PM, guests must contact the hotel administrator in advance and agree on the check-in time. Contact information is provided in the booking confirmation.