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. For stays of up to 3 nights, guests are charged an additional RUB 1000.00 per day for cleaning. For stays of 3 nights or more, there is no cleaning fee.