http://www.legislation.gov.uk/ukpga/1971/77/section/21/enactedImmigration Act 1971Immigration and nationalityCitizenshipDeportationKing's Printer of Acts of Parliament2020-01-14 PART IIAppealsAppeals from adjudicator to Tribunal, and review of decisionsReference of cases for further consideration 21 1 Where in any case— a an adjudicator has dismissed an appeal, and there has been no further appeal to the Appeal Tribunal, or the Tribunal has dismissed an appeal made to them in the first instance by virtue of section 15 above; or b the Appeal Tribunal has affirmed the determination of an adjudicator dismissing an appeal, or reversed the determination of an adjudicator allowing an appeal; the Secretary of State may at any time refer for consideration under this section any matter relating to the case which was not before the adjudicator or Tribunal. 2 Any reference under this section shall be to an adjudicator or to the Appeal Tribunal, and the adjudicator or Tribunal shall consider the matter which is the subject of the reference and report to the Secretary of State the opinion of the adjudicator or Tribunal thereon.