(1)After subsection (6) of section 5 of the [1967 c. 13.] Parliamentary Commissioner Act 1967 there shall be inserted the following subsections—
“(7)For the purposes of this section, administrative functions exercisable by any person appointed as a member of the administrative staff of a relevant tribunal—
(a)by a government department or authority to which this Act applies; or
(b)with the consent (whether as to remuneration and other terms and conditions of service or otherwise) of such a department or authority,
shall be taken to be administrative functions of that department or authority.
(8)In subsection (7) of this section, “relevant tribunal” means a tribunal listed in Schedule 4 to this Act.
(9)Her Majesty may by Order in Council amend the said Schedule 4 by the alteration or removal of any entry or the insertion of any additional entry; and any statutory instrument made by virtue of this subsection shall be subject to annulment in pursuance of a resolution of either House of Parliament.”
(2)After paragraph 6A of Schedule 3 to that Act (matters not subject to investigation) there shall be inserted the following paragraph—
“6B(1)Action taken by any member of the administrative staff of a relevant tribunal, so far as that action is taken at the direction, or on the authority (whether express or implied), of any person acting in his capacity as a member of the tribunal.
(2)In this paragraph, “relevant tribunal” has the meaning given by section 5(8) of this Act.”
(3)After Schedule 3 to that Act there shall be inserted the following Schedule—
Tribunals constituted in Great Britain under regulations made under section 4 of the [1979 c. 17.] Vaccine Damage Payments Act 1979.
Child support appeal tribunals constituted under section 21 of the [1991 c. 48.] Child Support Act 1991.
Social security appeal tribunals constituted under section 41 of the [1992 c. 5.] Social Security Administration Act 1992.
Disability appeal tribunals constituted under section 43 of that Act.
Medical appeal tribunals constituted under section 50 of that Act.”