"Financial audit" means a post audit primarily concerned with providing reasonable assurance about whether financial statements are presented fairly in all material respects in conformity with generally accepted accounting principles (GAAP), or with a comprehensive basis of accounting other than GAAP. Other objectives of financial audits, which provide for different levels of assurance and entail various scopes of work, may include, as appropriate:
Financial audits are to be performed in accordance with generally accepted auditing standards issued by the American Institute of Certified Public Accountants (AICPA) for field work and reporting, generally accepted government auditing standards (GAGAS), and AICPA Statements on Auditing Standards (SAS) current at the time the audit is commenced.
30 ILCS 5/1-13.5