• LISTSERV 
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• Practitioner Web Services
Enter a service request for your individual income tax or business tax client.

• 2011 Taxpayer Assistance Manual (Supplement Included) 

• 2011 Tax Text Manual 
Handbook on the various taxes administered by the Department.

• Michigan AARP

• Web Cast Presentations for Tax Preparers

• Web Resources for Tax Preparers 
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• Mailing Addresses for Tax Returns 

• Revenue Administrative Bulletins

• City Income Tax Forms

• Treasury's Penalty and Interest Calculator

• IRS Web Site