The services required are listed below: 3.2.1 Commencing with fiscal year ending December 31, 2019, conduct an annual financial audit and opinion letter of the general purpose financial statements of Calhoun County in conforming with generally accepted accounting principles as defined by the Governmental Accounting Standards Board (GASB), American Institute of Certified Public Accounting (AICPA), and accordingly, shall include such tests of the accounting records and other auditing procedures as necessary. 3.2.2 Preparation of the "Single Audit Report" in accordance with generally accepted auditing standards as set forth by the American Institute of Certified Public Accountants, the standards for financial audits set forth in the U.S. General Accounting Office’s Government Auditing Standards, the Provisions of the Single Audit Act of 1984 as amended in 1996, and the provisions of the U.S. Office of Management and Budget (OMB) Circular A-133, Audits of State and Local Governments and the generally accepted auditing standards prescribed by the State of Michigan Department of Treasury and any applicable Michigan Public Acts. Currently the County operates four (4) programs considered significant (over $300,000) in award amount. These programs may require additional schedules of presentation. Overall, twenty-two (22) sources of Federal Assistance have been identified and cited. 3.2.3 The auditor must require all personnel adhere to the independence rules, regulations, interpretations and rulings of the American Institute of Certified Public Accountants (AICPA), the Governmental Accounting Standards Board (GASB), and State of Michigan Statutes.