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. A deposit is provided. The deposit is refunded upon check-out. Accommodation with children is allowed. A contract is concluded with guests over the age of 18. Smoking is prohibited in the apartment. Celebrations are prohibited. Intoxicated guests are denied check-in. Accounting documents are provided.