25 ILCS 70/8
Whenever any measure is amended on the floor of either house in such manner as to bring it within the description of bills set forth in Section 2 above, a majority of such house may propose that no action shall be taken upon the amendment until the sponsor of the amendment presents to the members a statement of the budget and population impact of his amendment, as required by this Act.
(from Ch. 63, par. 42.88)
(Source: P.A. 83-1031.)