To apply for a Russian business visa an applicant should submit to the Russian Consulate in United States a completed visa application form, national passport, two standard passport pictures, Money Order as well as:
Original letter of Invitation or Telex Confirmation. All state and private companies/organizations based in Moscow and other regions should process their invitations through the Russian Ministry of Foreign Affairs/its regional representative offices or Russian Ministry of Internal Affairs/its local visa offices.
Multiple re-entry visas are valid for a one-year period, starting not earlier than the date, indicated in the confirmation from the Ministry of Foreign or Internal Affairs of Russia.