Ill. Admin. Code tit. 86, § 4000.201
1) The proposed STAR bond district is an eligible area.
6) The STAR bond district and STAR bond district plan meet any other requirement that the Director deems appropriate [50 ILCS 470/15(d)], including, but not limited to, the items listed in this subsection (b)(6). The application must:
G) provide proof that, except as otherwise provided in this subsection (b)(6)(G) and the Act, all of the local sales tax increment has been irrevocably committed as pledged STAR revenues;