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. Parties are not allowed in the apartment. Guests are required to pay a security deposit of RUB 3000.00 per guest, RUB 5000.00 for 2 guests and RUB 6000.00 for 3 guests.