15 2019 Data Protection No. (g) any other details as may be prescribed by the Data Commissioner. (3) A data controller or data processor who knowingly supplies any false or misleading detail under sub-section (1) commits an offence. (4) The Data Commissioner shall issue a certificate of registration where a data controller or data processor meets the requirements for registration. (5) A data controller or data processor shall notify the Data Commissioner of a change in any particular outlined under subsection (2). (6) On receipt of a notification under sub-section (5), the Data Commissioner shall amend the respective entry in the Register. (7) A data controller or data processor who fails to comply with the provisions of this section commits an offence. 20. A registration certificate issued under section 19 shall be valid for a period determined at the time of the application after taking into account the need for the certificate, and the holder may apply for a renewal of the certificate after expiry of the certificate. 21. (1) The Data Commissioner shall keep and maintain a register of the registered data controllers and data processors. (2) The Data Commissioner may, at the request of a data controller or data processor, remove any entry in the register which has ceased to be applicable. (3) The register shall be a public document and available for inspection by any person. (4) A person may request the Data Commissioner for a certified copy of any entry in the register. 22. The Data Commissioner may, on issuance of a notice to show cause, vary terms and conditions of the certificate of registration or cancel the registration where— (a) any information given by the applicant is false or misleading; or; (b) the holder of the registration certificate, without lawful excuse, fails to comply with any requirement of this Act. Duration of the registration certificate. Register of data controllers and data processors. Cancellation or variation of the certificate. !