(2) The certificate shall specify separately:
(a) The amounts required for operations; and
(b) The amounts required for construction of special schools or centers, or additions thereto.
(3) The amounts obtained for construction shall be related to progress of construction as determined by the district.
(4) Any amounts remaining unexpended and unobligated as of June 30 of the fiscal year or biennium for which they were appropriated shall revert to the General Fund. [1967 c.443 §3; 1981 c.487 §1; 1993 c.45 §239]