Article 1. Those who worked or used (hereinafter shall be called "used") inventions, utility-models, designs or trade-marks, which come under following items, from June 1, 1941 to December 1, 1946, shall submit reports concerning use of these rights, in accordance with Form A or B and Remarks attached hereto, to the Minister of Commerce and Industry through the Director-General of the Board of Patents and Standards, not later than March 31, 1947: