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. Cleaning, disinfection and change of bed linen are carried out after each guest. A contract is concluded, online receipts for rent payment are issued. The insurance payment is returned after the apartment is cleaned. The apartment is not rented to guests with animals, companies, for parties, persons under the influence of alcohol or drugs. Such additional conditions as extension of stay, late check-in, accommodation of more guests are discussed before making an advance payment.