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. A remote check-in system is in effect, guests can check in at any convenient time. For business travelers, there are reporting documents. Parties in the apartment are prohibited. Accommodation with animals is possible upon agreement with an additional charge of RUB 300.00.