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. Contactless check-in. Pets are allowed free of charge. Large pets are subject to individual approval. A refundable deposit is required and will be returned immediately after the flat has been inspected and cleaned by the maid.