25 ILCS 85/1
As used in this Act, unless the context requires otherwise:
"Commission" means a special or interim committee or commission of the House of Representatives or the Senate, a joint committee or commission of the House of Representatives and the Senate, any committee or commission consisting of members of the General Assembly and of the public, or a duly authorized subcommittee of any of the foregoing, but shall not be construed to include any standing committee of either the House of Representatives or the Senate.
"Hearing" means any public or private meeting of a Commission for the purpose of hearing a witness testify under oath or affirmation.
"Public Hearing" means any hearing which is open to the public or any hearing in which the testimony is made available to the public.
"Private Hearing" means any hearing which is not public.
"Person" means an individual, corporation, partnership, association, organization or governmental agency.
25 ILCS 85/1