(3) A member of the Tribunal shall vacate office at the end of the 
      period of five
years beginning with the day of his appointment, but 
      shall be eligible for
reappointment.
      (4) A member of the Tribunal may be relieved of office by Her Majesty 
      at his own
request.
      (5) A member of the Tribunal may be removed from office by Her Majesty 
      on an
Address presented to Her by both Houses of Parliament.
      
      President and Vice-President
      2.—(1) Her Majesty may by Letters Patent appoint as President or 
      Vice-
President of the Tribunal a person who is, or by virtue of those 
      Letters will be, a
member of the Tribunal.
      (2) If at any time the President of the Tribunal is temporarily unable 
      to carry out the
functions of the President under this Schedule, the 
      Vice-President shall carry out
those functions.
      (3) A person shall cease to be President or Vice-President of the 
      Tribunal if he
ceases to be a member of the Tribunal.
      
      Rules of procedure of Tribunal etc.
      3.—(1) The Secretary of State may make rules—
      
        (a) prescribing the form and manner in which a complaint is to be 
        made;
      
        (b) concerning the determination of the question whether or not a 
        complainant is
an interested party (within the meaning of section 
        18);
      
        (c) enabling the functions of the Tribunal in relation to a complaint 
        to be
carried out, in any place in the United Kingdom, by any two or 
        more
members of the Tribunal designated for the purpose by their 
        President;
      
        (d) enabling different members of the Tribunal to carry out functions 
        in
relation to different complaints at the same time;
      
        (e) prescribing the practice and procedure to be followed on or in 
        connection
with the hearing of a complaint, including the mode and 
        burden of proof and
admissibility of evidence on such 
      hearings;
      
        (f) prescribing the orders that may be made by the Tribunal under 
        section
18(3);
      
        (g) concerning any other matters preliminary or incidental to or 
        arising out of the
hearing of a complaint.
      (2) Rules under this paragraph shall provide—
      
        (a) that a complainant has the right (subject to any power conferred 
        on the
Tribunal by such rules) to be legally represented in any 
        proceedings
before the Tribunal on the hearing of his complaint; 
        and
      
        (b) that, subject to any rules under sub-paragraph (3), a complainant 
        is to be
notified of any decision of the Tribunal in respect of his 
        complaint.
      (3) Rules under this paragraph may, in particular, make provision—
      
        (a) enabling proceedings before the Tribunal to take place without 
        the
complainant being given full particulars of the reasons for any 
        decision to
which the complaint relates;
      
        (b) enabling the Tribunal to hold proceedings in the absence of any 
        person,
including the complainant and any legal representative 
        appointed by him;
      
        (c) enabling the Tribunal to give the complainant a summary of any 
        evidence
taken in his absence.
      (4) Rules under this paragraph may also include provision—
      
        (a) enabling functions of the Tribunal that relate to matters 
        preliminary or
incidental to the hearing of a complaint to be 
        performed by a single
member of the Tribunal;
      
        (b) conferring on the Tribunal such ancillary powers as the Secretary 
        of State
thinks necessary for the purposes of the exercise of their 
        functions.
      (5) In making rules under this paragraph the Secretary of State shall 
      have regard, in
particular, to—
      
        (a) the need to secure that matters which are the subject of 
        complaints are
properly considered; and
      
        (b) the need to secure that information is not disclosed to an 
        extent, or in a
manner, that is contrary to the public interest or 
        prejudicial to—
      
        
          (i) national security;
          (ii) the prevention or detection of serious crime;
          (iii) the economic well-being of the United Kingdom; or
          (iv) the continued discharge of the functions of any 
          intelligence
agency.
      (6) In this paragraph "complaint" means a complaint falling within 
      section
18(1)(a) or (b).
      4.—(1) The power to make rules under paragraph 3 includes—