No. 3 25 Data Protection significant importance and provide reasons for the refusal, in writing, to the applicant. (4) where the authority registers a data controller or data processor as a data controller of significant importance or data processor of significant importance in accordance with subsection (3)(a), the authority shall issue a registration certificate in the prescribed form to the data controller or data processor. (5) the authority may impose such terms and conditions on the registration as it determines appropriate. (6) a registered data controller of significant importance or data processor of significant importance shall, where there is a change to the information provided to the authority during registration, notify the authority of the change, in writing, within ninety days of the change. (7) the authority shall keep and maintain, in the prescribed form, a register of data controllers of significant importance and data processors of significant importance. 42.__(1) the authority may suspend or cancel the registration of a data controller of significant importance or data processor of significant importance where the authority is satisfied that— (a) the data controller of significant importance or data processor of significant importance— (i) has not complied with any provision of this act or any term or condition imposed on the registration; or (ii) made a misleading or false representation at the time of registration; or (b) there is any other reasonable ground to suspend or cancel the registration. (2) the authority shall not suspend or cancel the registration of a data controller of significant importance or data processor of significant importance under subsection (1), unless the data controller of significant importance or data processor of significant importance has been given an opportunity to show cause why the registration should not be suspended or cancelled. suspension or cancellation of registration 43. the Minister may, by order published in the Gazette, exemptions exempt a class of data controllers of significant importance or data processors of significant importance from the registration requirement under this Part.