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. It is forbidden to bring guests into the apartment. If hidden circumstances are revealed, immediate eviction from the apartment without a refund is followed. Smoking is strictly prohibited in the apartment (only on the balcony). Guests over the age of 23 are allowed to check into the accommodation facility in accordance with the agreement that is concluded upon check-in. Accounting documents are provided: a check with a QR code, non-cash payment for organizations. Video surveillance is conducted outside the apartment.