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. If guests plan to check in after 06:00 PM, they have to notify the hotel in advance. Otherwise, even a paid reservation will be considered non-guaranteed. Check-in will be possible only if there is a free room. The number of baby cots is limited. Availability is only possible upon prior arrangement with the property.