When you arrive to the hotel, please, tell our manager at the Reception your Name and booking number, and show your passport with russian visa (if needed for your country) and migration card (you'll be offered to fill it in during the flight, in train or at passport control). According to the Russian law, in 24 hours our hotel should make for you a registration at the place of stay in Immigration service and give you a confirmation of your registration.
Registration at the place of stay for foreigners - 150 RUR per person