310 No.6 of 2016] Layout-designs of Integrated Circuits (3) Where registration of a layout-design is not completed within twelve months from the date of the application by reason of default on the part of the applicant, the Registrar may, after giving notice to the applicant in the prescribed manner, treat the application as abandoned unless it is completed within the time specified in that behalf in the notice. (4) The Registrar may amend the register or a certificate of registration for the purpose of correcting a clerical error or an obvious mistake. Certificate of registration 20. The Registrar shall, after entering the layout-design in the register, as provided in subsection (5) of section fifteen, issue a certificate of registration, in the prescribed form, to the qualified owner and cause to be published, in the prescribed form, a notice of the registration in the Industrial Property Journal. Effect of registration of layoutdesign 21. The effect of registration of a layout-design shall be to protect the layout-design and grant a qualified owner, within Zambia, subject to this Act, for the duration of the registration, the right to exclude other persons from reproducing, making, importing, using or disposing of the registered layout-design. Disclosure without qualified owner’s knowledge or consent 22. The registration of a layout-design shall not be invalid if the layout-design was disclosed, used or known prior to the registration of the layout-design without the knowledge or consent of the qualified owner and the qualified owner applied for registration of the layout-design with all reasonable diligence before learning of the disclosure, use or knowledge. Refusal to register 23. Where an application is not compliant with section fifteen, is not made in the prescribed manner and form or if the qualified owner has not paid the prescribed fee, the Registrar shall refuse to register the layout-design and return the application to the qualified owner. Duration of protection 24. (1) A registered layout-design shall be protected for a period of ten years from the date of application for registration and may be renewed for a period of five years, subject to payment of a prescribed renewal fee. (2) Where the prescribed renewal fee is not paid, within a prescribed period, the registration of the layout-design shall lapse, except that the Registrar may on application and subject to the payment of such additional prescribed fee, extend the period for the payment of the prescribed renewal fee for a period not exceeding six months.