Tax Professionals

Software Developers

Software Developers

2026 Approved Software Developers

Resources

• Voluntary Disclosure
  The Voluntary Disclosure Act (Public Act 221 of 1998) authorizes the State Treasurer, or a representative, to enter into a voluntary disclosure agreement with non-filers who have not been previously contacted by the Department and who meet certain other criteria. (Reference MCL 205.30c). Under a voluntary disclosure agreement, eligible persons may file returns and pay taxes and interest for a limited look-back period of four years without imposition of penalties, in exchange for future tax compliance.
• Penalty and Interest Estimator
  Estimate the amount of penalty and interest owed on tax.
• Payroll Service Providers
  Supplemental filing and payment information tailored to payroll service providers.
• Business Income and Nexus
  The Multi-State Tax Commission web site provides additional information on allocation and apportionment and Nexus
• Streamlined Sales Tax:
  The Multi-State Tax Commission web site provides additional information on allocation and apportionment and Nexus
• Historical Michigan Income Tax Rates & Allowed Exemptions, 1999 - 2010 
• MBT Frequently Asked Questions
  Frequently asked questions about the Michigan Business Tax.
• Revenue Administrative Bulletins
• EFT Payment Information for Business Filers
• Authorized Representative Declaration (Power of Attorney Form)
  MCL 205.28(1)(f) strictly prohibits employees of the Department of Treasury from disclosing confidential tax information to anyone other than the individual taxpayer or his or her authorized representative.
• Procedures and Requirements for Charitable Organizations
  Department of Attorney General, Charitable Trust Section
• Michigan AARP