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. Smoking is prohibited. Parties and noise are prohibited after 10:00 PM. Documentation for business travel expenses is provided. The security deposit is refunded on the day of departure following an inspection of the apartment, provided that house rules have been followed, no property damage has occurred, and the trash has been removed.