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 and events are prohibited in the apartment. Violation of silence at night from 10:00 PM to 09:00 AM is not allowed, penalties are provided for non-compliance. Guests should keep the place clean, wash the dishes themselves, and take out the trash. The number of residents must correspond to the number indicated upon check-in. It is forbidden to rearrange furniture. Before leaving the apartment, it is necessary to turn off electrical appliances and lighting. Smoking is only allowed outside. A deposit is charged for the safety of the property, which is mandatory regardless of the prepayment. An identity document and a security deposit, refundable upon check-out, are required for check-in.