20 ILCS 2510/2510-30: Rules.

To implement the certified audit project, the Department shall have authority to adopt rules including, but not limited to:

(1) The availability of the certification program required for participation in the project;

(2) The requirements and basis for establishing just cause for approval or rejection of participation by taxpayers;

(3) Procedures for assessment, collection, and payment of liabilities or refund of overpayments and provisions for taxpayers to obtain informal and formal review of certified audit results;

(4) The nature, frequency, and basis for the Department's review of certified audits conducted by qualified practitioners, including the requirements for documentation, work-paper retention and access, and reporting; and

(5) Requirements for conducting certified audits and for review of agreed-upon procedures.