Letter dated 2000/05/23 from the Permanent Representative of Mexico addressed to the Secretary-General of the Conference transmitting, on behalf of Brazil, Egypt, Ireland, Mexico, New Zealand, South Africa and Sweden, a portion of the text adopted by consensus by the 2000 Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons, regarding practical steps for the systematic and progressive efforts to implement article 6 of the Treaty