Ill. Admin. Code tit. 20, § 1810.200
b) To be eligible for an award under the Act, nongovernmental recipients must provide the Council, along with a program proposal, either of the following:
1) Proof of nonprofit status by presenting all of the following, when applicable:
2) Proof of authorized business activity in the State of Illinois by presenting:
c) The Council may require additional documentation to verify the legitimacy of a nongovernmental recipient. Such documentation may include, but is not limited to: