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. Guests can check in after the end of reception hours by prior arrangement and at an additional cost. Early check-in and late check-out are also possible by prior arrangement and for an additional fee. Contact information is provided on the booking confirmation.