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. The apartment is not suitable for noisy companies and parties. Registration of accommodation consists of the following steps: — Signing of the electronic contract on the link. — Payment for the accommodation by the person who signed the contract. The minimum age for independent living in an apartment is 21 years old, in accordance with the agreement that is concluded upon check-in. Guests between the ages of 18 and 21 can only stay in the apartment accompanied by a parent or legal guardian who will stay in the apartment for the entire booking period.