Commentary on Sections Part 2: Discrimination on Grounds of Religion or Belief Section 67: Immigration
236.Section 67 provides that proceedings may not be brought under section 66 in a county or sheriff court in respect of an act of a public authority, if the lawfulness of the act could be raised in immigration proceedings – that is, proceedings under any of the Immigration Acts or the Special Immigration Appeals Commission Act 1997 (c.68).
237.If, during immigration proceedings, a court or tribunal finds that an unlawful act has been committed by a public authority under section 52, then a county or sheriff court hearing proceedings, as per section 68, must accept that finding.