(1)A justice of the peace who is a member of a local authority shall not act as a member of the Crown Court or of a magistrates' court in any proceedings brought by or against, or by way of appeal from a decision of, the authority or any committee or officer of the authority.
(2)For the purposes of subsection (1) above—
(a)any reference to a committee of a local authority includes a joint committee, joint board, joint authority or other combined body of which that authority is a member or on which it is represented; and
(b)any reference to an officer of a local authority refers to a person employed or appointed by the authority, or by a committee of the authority, in the capacity in which he is employed or appointed to act.
(3)A justice of the peace who is a member of the Common Council of the City of London shall not act as a member of the Crown Court or of a magistrates' court in any proceedings brought by or against, or by way of appeal from a decision of, the Corporation of the City or the Common Council or any committee or officer of the Corporation or Common Council.
(4)Subsection (2) above applies for the purposes of subsection (3) above with the substitution, for references to a local authority, of references to the Corporation or the Common Council.
(5)Nothing in this section prevents a justice from acting in any proceedings by reason only of their being brought by a police officer.
(6)No act shall be invalidated by reason only of the disqualification under this section of the person acting.
(7)In this section “local authority” means—
(a)a local authority within the meaning of the [1972 c. 70.] Local Government Act 1972 or the [1973 c. 65.] Local Government (Scotland) Act 1973;
(b)a police authority established under section 3 of the [1996 c. 16.] Police Act 1996;
(c)a joint authority established by Part IV of the [1985 c. 51.] Local Government Act 1985;
(d)a housing action trust established under Part III of the [1988 c. 50.] Housing Act 1988;
(e)the Broads Authority; and
(f)a National Park authority.