3. Right to establish existence of personal data.
From 25 May 2018, this Act ceased to apply to the processing of personal data (within the meaning of this Act) other than the processing of such data for the purposes of safeguarding the security of the State, the defence of the State or the international relations of the State, or the processing of such data under the Criminal Justice (Forensic Evidence and DNA Database System) Act 2014 or the Vehicle Registration Data (Automated Searching and Exchange) Act 2018 to the extent that this Act is applied in those Acts but is still applicable to complaints made under s. 10 and contraventions of this Act that occurred before 25 May 2018, see s. 8 of the Data Protection Act 2018 (No. 7).
An individual who believes that a person keeps personal data shall, if he so requests the person in writing -
(a) be informed by the person whether he keeps any such data, and
(b) if he does, be given by the person a description of the data and the purposes for which they are kept,
as soon as may be and in any event not more than 21 days after the request has been given or sent to him.