11.—(1) For the purpose of discharging any functions in pursuance of arrangements made under this Part—
(a)a council may appoint a committee of the council; or
(b)two or more councils may appoint a joint committee of those councils; or
(c)any such committee may appoint one or more sub-committees.
(2) Subject to this Act, the number of members of a committee appointed under subsection (1), their term of office, and the area (if restricted) within which the committee is to exercise its authority must be fixed by the appointing council or councils or, in the case of a sub-committee, by the appointing committee.
(3) A committee appointed under subsection (1), other than a committee for regulating and controlling the finance of the council, may, subject to section 15, include persons who are not members of the appointing council or councils or, in the case of a sub-committee, the council or councils of which it is a sub-committee.
12.—(1) A council may appoint a committee, and two or more councils may join in appointing a committee, to advise—
(a)the appointing council or councils; or
(b)where the appointing council or each of the councils operates executive arrangements, any executive of that or those councils, or a sub-committee of that executive,
on any matter relating to the discharge of their functions.
(2) A committee appointed under subsection (1) may—
(a)consist of such persons (whether members of the appointing council or councils or not) appointed for such term as may be determined by the appointing council or councils; and
(b)appoint one or more sub-committees to advise the committee with respect to any such matter.
13. Schedule 2 (which makes provision relating to the appointment of councillors to committees, etc.) has effect.