[en] On 5 May 1975 the Director General received a letter of that date from the Resident Representative of Czechoslovakia to the Agency in the same terms as the letter reproduced as Letter I in document INFCIRC/209, which deals with communications received from Members regarding the export of nuclear material and of certain categories of equipment and other material. The Resident Representative added that the date from which his Government had decided to act in accordance with the memoranda appended to document INFCIRC/209 was 3 September 1974