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 in the flat. The deposit is returned the next day after the flat is cleaned. If the living conditions are violated, property is damaged, or there is a lot of disorder, the deposit is withheld. Silence from 22:00 to 08:00.