8. (1) Subject to this section, the Act of 1988 shall, on and from the date on which this section comes into operation, cease to apply to the processing of personal data (within the meaning of that Act) other than—

(a) 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

(b) 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 the Act of 1988 is applied in those Acts.

(2) The Act of 1988 shall apply to—

(a) a complaint by an individual under section 10 of that Act made before the commencement of this section, and

(b) a contravention of that Act that occurred before such commencement.

(3) An investigation under section 10 of the Act of 1988 that was begun but not completed before the commencement of this section shall be completed in accordance with that Act and that Act shall apply to such an investigation.