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. To arrange check-in, guests must contact the apartment administration in advance for instructions. Remote check-in is possible. Contact information is provided in the booking confirmation. Smoking is prohibited in the flat. Early check-in and late check-out are possible with prior approval. Reporting documents are provided.