Letter dated 2000/04/20 from the Permanent Representative of the Russian Federation addressed to the Secretary-General of the Conference transmitting the text of a statement made on 14 April 2000 by Vladimir V. Putin, acting President of the Russian Federation, in connection with the ratification by the State Duma of the Federal Assembly of the Russian Federation of the START-II Treaty and of the package of 1997 agreements on anti-missile defence