Ill. Admin. Code tit. 11, § 1900.1030
a) Annual and Special Audits and Other Reports
b) Quarterly compliance reports by independent certified public accountants or personnel. The Administrator shall require quarterly compliance reports to be prepared and procedures performed by independent certified public accountants or Board personnel covering the following:
f) The reports required under this Section shall be submitted electronically in a manner prescribed by the Administrator and the reports shall be received by the Administrator no later than the required filing date.