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. For accommodation with pets: up to 5 kg an additional fee of RUB 500.00 is charged, more than 5 kg — RUB 1000.00 for the entire stay. Cats and dogs are allowed.