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. Possible number of residents — up to 8 people. A sauna is included in the price. Small pets up to 10 kg are allowed for an additional fee and must be approved in advance in the contract. Children are allowed to stay with their parents, but no more than half of the total number of guests. Linens are available for an additional fee of RUB 400.00 per person, or guests can bring their own. After booking, guests must sign a preliminary contract and pay 30% of the total cost of the stay. Only then is the reservation considered confirmed. Reservations for New Year's holidays are subject to a higher fee. Guests over 20 years of age are allowed to check into the accommodation facility in accordance with the agreement concluded upon check-in.