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. Early check-in and late check-out are paid each in the amount of 100% of one night's stay in the selected category. For early check-in/late check-out, it is necessary to make a reservation for one additional night, in the comments to the booking it is necessary to indicate the time of arrival at the hotel.