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. Accounting documents are provided. Cash and non-cash payment methods are possible. Check-in is around the clock. Accommodation with animals is possible by agreement for an additional fee. Parties and smoking are prohibited in the flat.