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. To receive keys, guests must contact the property in advance for check-in instructions. Contact information is provided in the booking confirmation. Calls are accepted from 10:00 AM to 09:00 PM. If guests plan to check in after 21:00, they need to contact a representative of the property in advance and arrange check-in time. Contact information is provided in the booking confirmation.