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. 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.