80.—(1) This Article applies where in any proceedings—
(a)a person claims that an act discriminated against him in contravention of any provision of Parts III to V; and
(b)the person against whom the claim is made proposes to rely on a certificate purporting to be signed by or on behalf of the Secretary of State and certifying—
(i)that an act specified in the certificate was done for the purpose of safeguarding national security or protecting public safety or public order; and
(ii)that the doing of the act was justified by that purpose.
(2) The claimant may, in accordance with rules under section 91 of the [1998 c. 47.] Northern Ireland Act 1998, appeal against the certificate to the tribunal established under that section.
(3) If on an appeal under paragraph (2) that tribunal determines—
(a)that the act specified in the certificate was done for the certified purpose; and
(b)that the doing of the act was justified by that purpose,
the tribunal shall uphold the certificate; in any other case, the tribunal shall quash the certificate.
(4) If—
(a)the claimant does not appeal against the certificate; or
(b)the certificate is upheld on appeal,
the certificate shall be conclusive evidence of the matters certified by it.
(5) Sections 91 and 92 of the Northern Ireland) Act 1998 shall 1998 c. apply in relation to appeals under this Article as they apply in relation to appeals under section 90 of that Act.
(6) In this Article—
“claim” includes complaint; and
“claimant” includes complainant.