shall be published in one issue of the Gazette and shall be effective from the date of such publication. (3) The Minister may at any time revoke any exemption granted under this section, which revocation shall be in writing and shall be effective from the date therein stated, and notice thereof shall be published in one issue of the Gazette. 16. (1) Subject to the provisions of this section, there shall be payable to the Certifying Authority by any person(a) on first registration of such person as a registered seed importer under this Act; (b) on first registration of such person as a registered seed cleaner under this Act; (c) on the annual renewal of any registration as a registered seed importer under this Act; (d) on the annual renewal of any registration as a registered seed cleaner under this Act; the respective registration fees prescribed in the First Schedule. (2) Subject to the provisions of this section, there shall be payable to the Certifying Authority by any transferee from or successor in interest to any registered seed importer or any registered seed cleaner, as the case may be, on any registration of such transferee or successor in interest as registered seed importer or registered seed cleaner, as the case may be, the respective fees prescribed in the Second Schedule. (3) Where the personal representative of a deceased registered seed importer or of a decreased registered seed cleaner, as the case may be, is registered as registered seed importer or registered seed cleaner under the provisions of paragraph (b) of sub-section (1) of section ten, solely in his capacity as such personal representative, no registration fee shall be charged for such provisional registration, but the fee prescribed by the Second Schedule for renewal of provisional registration shall be payable in the event of any renewal thereof. Registration fees