The council of a county may direct that any Expenses of expenses incurred by them under the provisions of this Act county councils specified in Parts I and II of Schedule 21 to this Act shall and Greater be treated as expenses for special county purposes chargeable Council, upon such part of the county as may be specified in the directions.
The Greater London Council may direct that any expenses incurred by them under—
(a) Part II of this Act;
(b) Schedule 3 to this Act;
(c) Part II of Schedule 5 to this Act;
(d) any of the provisions of this Act specified in Part I of Schedule 21 to this Act;
(e) any other provision of this Act conferring functions on local authorities,
shall be treated as expenses for special London purposes chargeable upon such part of Greater London as may be specified in the directions.