15. Right to rectification or completion

Every data subject shall have the right to request a controller in writing to rectify or complete the personal data relating to such data subject which is either inaccurate or incomplete, and the controller shall, upon such a written request made by the data subject, rectify or complete the personal data without undue delay subject to the provisions of section 17:

Provided however, the provisions of this section shall not impose any obligation on a controller to collect and process any additional personal data that is not required for the purpose of processing:

Provided further, where a controller is required to maintain personal data for the evidentiary purposes under any written law or on an order of a competent court, the controller shall refrain from further processing such personal data without rectifying.