86 Ill. Adm. Code 850.175
Extension of Audit Timeframe
Section 850.175Â Extension of Audit Timeframe
Upon
written request of the participating taxpayer or qualified practitioner, the
time within which the certified audit is to be performed may be extended by the
Department upon good cause shown. Good cause shown includes delays beyond the
control of the participating taxpayer or qualified practitioner. The
Department may require the participating taxpayer to execute a waiver extending
the statute of limitations if fewer than 75 days remain before the expiration
of the statute of limitations.