The confidentiality of discussions at meetings of the Government shall be respected in all circumstances save only where the High Court determines that disclosure should be made in respect of a particular matter—
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i:
in the interests of the administration of justice by a Court, or
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ii:
by virtue of an overriding public interest, pursuant to an application in that behalf by a tribunal appointed by the Government or a Minister of the Government on the authority of the Houses of the Oireachtas to inquire into a matter stated by them to be of public importance.