The Michigan Department of Treasury has been made aware that some "Reminder of Tax Due" letters sent to taxpayers contain an incorrect toll-free (1-800) TTY number, which may connect callers to a potential scam. Taxpayers with questions regarding unpaid individual income taxes are asked to contact the Treasury directly at 517-636-4486. We apologize for any confusion or concern this may have caused.
Taxpayer Rights During an Audit
Audit Methods - Detail vs Sample
Generally, the auditor's first step is to review the accounting, tax accrual, and reporting systems and evaluate the internal controls within each. If tax errors are identified, either of two types of audits can be performed:
- Detail audit:
- The auditor may examine all business records for the entire audit period.
- Sample audit:
- The auditor may use sampling methods. Errors found in representative samples of business records are projected over the entire audit period. Sampling provides accurate results with significant savings of time and manpower for the State and the taxpayer. In either method, if the records are inadequate, the audit is based on the best information available.