No proceedings may be brought by a claimant under section 57(1) in respect of an immigration claim if—
For the purposes of this section an immigration claim is a claim that a person—
Where it has been decided in relevant immigration proceedings that an act to which an immigration claim relates was unlawful by virtue of section 19B, any court hearing that claim under section 57 shall treat that act as an act which is unlawful by virtue of section 19B for the purposes of the proceedings before it.
No relevant decision of an immigration authority involving an act to which an immigration claim relates and no relevant decision of an immigration appellate body in relation to such a decision shall be subject to challenge or otherwise affected by virtue of a decision of a court hearing the immigration claim under section 57.
In this section—
“the Immigration Acts” has the same meaning given by section 158 of the 2002 Act ;
“immigration appellate body” means the First-tier Tribunal, the Special Immigration Appeals Commission, the Upper Tribunal, the Court of Appeal, the Court of Session or the Supreme Court;
“immigration authority” means the Secretary of State, an immigration officer or a person responsible for the grant or refusal of entry clearance (within the meaning of section 33(1) of the Immigration Act 1971 (c. 77));
“immigration claim” has the meaning given by subsection (2) above;
“pending” has the same meaning as in the 1997 Act or, as the case may be, Part 5 of the 2002 Act;
“relevant act of discrimination” means an act of discrimination done by an immigration authority in taking any relevant decision;
“relevant decision” means—
(a)in relation to an immigration authority, any decision under the Immigration Acts relating to the entitlement of the claimant to enter or remain in the United Kingdom; and
(b)in relation to an immigration appellate body, any decision on an appeal under the 1997 Act , Part 5 of the 2002 Act or section 11 or 13 of the 2007 Act in relation to a decision falling within paragraph (a);
“relevant immigration proceedings” means proceedings on an appeal under the 1997 Act , Part 5 of the 2002 Act or section 11 or 13 of the 2007 Act;
“the 1997 Act” means the Special Immigration Appeals Commission Act 1997;
“the 2002 Act” means the Nationality, Immigration and Asylum Act 2002;
“the 2007 Act” means the Tribunals, Courts and Enforcement Act 2007;
and, for the purposes of subsection (1)(a), any power to grant leave to appeal out of time shall be disregarded.