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 deposit amount may vary depending on the number of guests and the length of stay and is returned after checking the property and if all rules are met. When checking in minors without parents, a power of attorney from the parents for the accompanying person is required. It is mandatory to fill out a confidential electronic agreement between the guest and the property. The agreement is filled out through the electronic platform. The agreement requires the guest's passport and a photo of the guest. For check-in after 11:00 PM, an additional fee is available depending on the time of late check-in. Smoking is prohibited in the property.