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Welcome to the State of Michigan Office of the Auditor General (OAG) Web site. This site has been created to assist you in understanding the OAG’s oversight function and in locating information regarding oversight, accountability, and transparency in the state of Michigan.

Initially created in 1836 as an elected office, the OAG became the independent oversight arm of the Legislature, and the Auditor General an appointed official through a majority vote of the members of the Legislature, with the adoption of the Michigan Constitution in 1963. As a Constitutional state office, the OAG derives its authority and responsibilities from provisions within the Constitution, as well as statutes enacted by the Legislature. The OAG fulfills its constitutional and statutory mandates by either conducting or contracting for audits completed in accordance with professional standards of the accounting and auditing profession. All of the resulting audit reports are public documents.

If this Web site does not provide you with the information or answers that you seek, our staff will be happy to assist you. You may access specific contact information using the Contact tab on this page or by calling our main telephone number at (517) 334-8050.

Thank you for visiting the OAG’s Web site.

We appreciate your interest and welcome your comments regarding its usefulness.

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Constitutional Authority

The auditor general shall conduct post audits of financial transactions and accounts of the state and of all branches, departments, offices, boards, commissions, agencies, authorities and institutions of the state established by this constitution or by law, and performance post audits thereof.
– Article IV, Section 53 of the Michigan Constitution

Auditor General

Doug Ringler, C.P.A., C.I.A.
Auditor General

201 N. Washington Square, 6th Floor
Lansing, Michigan 48913
Phone (517) 334-8050
Fax (517) 334-8079