86Joint committees of existing councils for consideration of certain matters
(1)In the case of any London borough other than the borough numbered 29 in Part I of Schedule 1 to this Act, for the purpose of the consideration of the matters to be included in the borough's charter or incorporation order or to be dealt with under section 84, 85(5) or 87(2) of this Act, the councils of the existing boroughs, metropolitan boroughs or urban districts which, or parts of which, are to be included in that London borough, and the council of any existing county in which the whole or any part of the area of that London borough is situated, may, and within four weeks of being so required by the Minister shall, appoint such number of representatives respectively to a joint committee for the purpose as may be agreed between those councils, or, in default of such agreement, determined by the Minister.
(2)For the purpose of the consideration of the matters in connection with the establishment of the Greater London Council to be dealt with under section 84, 85(5) or 87(2) of this Act the councils of the existing counties and county boroughs whose areas lie wholly or partly within Greater London may, and within four weeks of being so required by the Minister shall, appoint such number of representatives respectively to a joint committee for the purpose as may be agreed between those councils or, in default of such agreement, determined by the Minister.
(3)Any expenses incurred by any joint committee established under this section shall be defrayed by the councils represented thereon in such proportions respectively as may be agreed between them, or in default of such agreement, determined by the Minister.