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 case of late arrival, the accommodation must be notified in advance several hours before check-in by calling the phone number indicated on the booking confirmation. Guests over the age of 23 are allowed to check in to the property in accordance with the agreement that is signed upon check-in. Smoking in the flat is strictly prohibited, and a fine is charged for smoking in the flat.