This is the home page for the IRS. If offers a great deal of information and assistance, no matter what subject you are researching.
http://www.irs.gov/formspubs/index.html?portlet=103
Here is the Forms & Publications page of the IRS web site. From this page you can research and download various forms & publications available from the IRS.
http://www.michigan.gov/treasury
Here is the State of MI Department of Treasury web site. There is a lot of helpful information concerning State of MI taxes here, including a link to forms.
http://www.saginaw-mi.com/Government/Departments/Finance/IncomeTax/
This is the City of Saginaw’s Income Tax website, which offers information and forms availability.
http://www.cityofflint.com/IncomeTax/tax.asp
This is the City of Flint’s Income Tax website, which offers information and forms availability.