A person who immediately before commencement is, or is to be treated as, an adjudicator appointed under section 81 of the Nationality, Immigration and Asylum Act 2002 (c. 41) (appeals) (as it has effect before commencement) shall be treated as having been appointed as a member of the Asylum and Immigration Tribunal under paragraph 1 of Schedule 4 to that Act (as it has effect after commencement) immediately after commencement.