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. Front desk is open 24/7. Pets, noisy parties and use of the apartment for purposes other than living are prohibited. Smoking is allowed only on the balcony in a designated area, including hookahs and electronic cigarettes. An identity document is required upon check-in. It is necessary to keep quiet, the flat is for living only.