Ill. Admin. Code tit. 92, § 651.401
a) Upon notification to the Department from the FHWA that a proposed operating or capital program has been approved for inclusion in the Illinois Section 18 Program of Projects and that funding for such programs has been approved, the Department will send three copies of a Section 18 grant contract to each such participant specifying the terms and conditions of the grant awarded. Within thirty (30) days of the receipt of such contract, each participant must execute and return all three (3) copies of such contract to the Department together with: