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 over 21 years of age are allowed to check into the accommodation facility in accordance with the agreement concluded upon check-in. Pets are allowed only by prior arrangement with the accommodation manager. Guests are required to contact the property in advance. Contact information is provided in the booking confirmation.