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 apartments work with legal entities, conclude a contract, accept payment on a personal account if necessary, and provide all necessary documents. Accounting documents are provided for business travelers. The conditions for early and late departure are negotiated individually. The deposit is refunded on the day of departure after cleaning the apartment. The apartments are not rented out for parties, birthdays and other events with a large number of people. Smoking is prohibited in the apartment and on the apartment balcony (including vapes, hookahs, electronic cigarettes, etc.).