3(1)A special agreement shall provide for the making of a grant by the local education authority to persons specified in the agreement in consideration of the execution by those persons of the proposals to which the agreement relates.
(2)Subject to sub-paragraph (3), the amount of any such grant shall be not less than half, and not more than three-quarters, of the cost of executing the proposals to which the agreement relates.
(3)Where the proposals include proposals for establishing a playing field or any buildings of a kind which it is, under section 45(2)(b), the duty of the local education authority to provide, then—
(a)if the proposals as respects the playing field or buildings are to be executed by the persons specified in the agreement, the amount of the grant (so far as attributable to the cost thereof) shall be equal to the whole of the cost; and
(b)if those proposals are to be executed by the local education authority, the cost thereof shall be borne by them and excluded in computing the amount of the grant.