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. Smoking is only allowed on the balcony with the door to the room closed. Otherwise, the deposit is not refundable. Business travelers are provided with reporting documents and a receipt with a QR code. Contactless check-in.