Section 50 ILCS 310/5 - Audit reports(a) Prior to fiscal year 2019, the audit report shall contain statements that conform with generally accepted accounting principles or other comprehensive basis of accounting and that set forth the financial position and results of financial operations for each fund of the governmental unit. Each audit report shall include only financial information, findings, and conclusions that are adequately supported by evidence in the auditor's working papers to demonstrate or prove, when called upon, the basis for the matters reported and their correctness and reasonableness. In connection with this, each governmental unit shall retain the right of inspection of the auditor's working papers and shall make them available to the Comptroller, or his or her designee, upon request. The audit report shall also include the professional opinion of the auditor or auditors with respect to the financial statements or, if an opinion cannot be expressed, a declaration that he or she is unable to express such opinion and an explanation of the reasons he or she cannot do so. Each audit report shall include the certification of the auditor or auditors making the audit that the audit has been performed in compliance with generally accepted auditing standards.(b) For fiscal year 2019 and each fiscal year thereafter, the audit report shall contain statements that set forth the financial position and results of financial operations for financial statements for governmental activities, business-type activities, discretely presented component units, and each major fund and aggregated nonmajor fund . Each audit report shall include only financial information, findings, and conclusions that are adequately supported by evidence in the auditor's working papers to demonstrate or prove, when called upon, the basis for the matters reported and their correctness and reasonableness. In connection with this, each governmental unit shall retain the right of inspection of the auditor's working papers and shall make them available to the Comptroller, or his or her designee, upon request. The audit report shall also include the professional opinion of the auditor or auditors with respect to the financial statements or, if an opinion cannot be expressed, a declaration that he or she is unable to express an opinion and an explanation of the reasons he or she cannot do so. Each audit report shall include a representation by of the auditor or auditors conducting the audit that the audit has been performed in accordance with generally accepted auditing standards.(c) For fiscal year 2019 and each fiscal year thereafter, audit reports shall contain financial statements prepared in accordance with generally accepted accounting principles and audited in accordance with generally accepted auditing standards if the last audit report filed preceding fiscal year 2019 expressed an unmodified or modified opinion by the auditor pertaining to the financial statements that were prepared in accordance with generally accepted accounting principles.(d) For fiscal year 2019 and each fiscal year thereafter, audit reports containing financial statements prepared in accordance with an other comprehensive basis of accounting may follow the best practices and guidelines as outlined by the American Institute of Certified Public Accountants and shall be audited in accordance with generally accepted auditing standards. If the governing body of a governmental unit submits an audit report containing financial statements prepared in accordance with generally accepted accounting principles, thereafter all future audit reports shall also contain financial statements prepared in accordance with generally accepted accounting principles.(e) Audits may be performed on financial statements prepared using either an accrual or cash basis of accounting, depending upon the system followed by the governmental unit, and audit reports shall comply with this Section.Amended by P.A. 101-0419,§ 5, eff. 1/1/2020.Amended by P.A. 100-0837,§ 5, eff. 8/13/2018.