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. Smoking, drug use, moving in with pets, and handing over keys to third parties are prohibited in the house. It is not allowed to use pyrotechnics, explosives, or flammable substances on the house grounds. Guests are asked to treat the property with care, not to take any furniture or textiles outside, and to comply with fire safety regulations.