Ill. Admin. Code tit. 44, § 30.72
f) In addition to the annual confirmation, the Secretary may require confirmation of eligibility at any time during the term of certification.
(Recodified from Section 10.72 of 44 Ill. Adm. Code 10 (Central Management Services) pursuant to P.A. 101-657, at 47 Ill. Reg. 279)