(3) Regulations shall be made by the Minister under this Act for securing that the representation or specimen of a design, in the case of which directions are given under this section, shall not be open to inspection at the Designs Office during the continuance in force of the directions. (4) Where the Registrar gives any such directions as aforesaid, he shall give notice of the application and of the directions to the competent authority, and thereupon the following provisions shall have effect, that is to say: (a) the competent authority shall, upon receipt of such notice, consider whether the publication of the design would be prejudicial to the defence of the Republic and unless a notice under paragraph (c) has previously been given by that authority to the Registrar, shall reconsider that question before the expiration of nine months from the date of lodging of the application for registration of the design and at least once in every subsequent year; (b) for the purpose aforesaid, the competent authority may, at any time after the design has been registered or with the consent of the applicant, at any time before the design has been registered, inspect the representation or specimen of the design lodged in pursuance of the application; (c) if upon consideration of the design at any time it appears to the competent authority that the publication of the design would not, or would no longer, be prejudicial to the defence of the Republic, that authority shall give notice to the Registrar to that effect; (d) on the receipt of any such notice, the Registrar shall revoke the directions and may, subject to such conditions, if any, as he thinks fit, extend the time for doing anything required or authorised to be done by or under this Act in connection with the application or registration, whether or not that time has previously expired. (5) No person ordinarily resident or domiciled in Zambia shall, while in Zambia, except under the authority of a written permit granted by or on behalf of the Registrar, make or cause to be made any application outside Zambia for the registration of a design of any class prescribed for the purposes of this subsection unless-