(1) Notwithstanding regulation 4(3), an enforcement authority may take measures, including applying any requirement which would otherwise not apply by virtue of regulation 4(3) in respect of a given information society service, where those measures are necessary for reasons of -
(a) public policy, in particular the prevention, investigation, detection and prosecution of criminal offences, including the protection of minors and the fight against any incitement to hatred on grounds of race, sex, religion or nationality, and violations of human dignity concerning individual persons;
(b) the protection of public health;
(c) public security, including the safeguarding of national security and defence, or
(d) the protection of consumers, including investors, and proportionate to those objectives.
(2) Notwithstanding regulation 4(3), in any case where an enforcement authority with responsibility in relation to the requirement in question is not party to the proceedings, a court may, on the a
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