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. Overnight check-in is possible only by agreement and agreement of such possibility at least 12 hours before check-in. Upon check-in, a deposit is paid, which is refunded within a day after check-out. In exceptional cases, the deposit amount may be increased. The apartment is not suitable for noisy companies. Smoking is prohibited. Guests over the age of 21 are allowed to check into the accommodation facility in accordance with the agreement that is concluded upon check-in. With children under 3 years of age, accommodation is possible by agreement. Accounting documents are provided. The conditions must be specified at the time of booking.