Finding what you are looking for on the internet can be a daunting task. These websites are provided to give you additional information sources.
IRS Tax Information and Forms for Individuals
Need a form for a state other than Michigan
Need to setup or register your business in Michigan
To check on your federal refund. Data from your tax return will be needed for this.
To check on your Michigan refund. Data from your tax return will be needed for this.
Official website of the SSA. Information and forms available for download.
USPS official site for zip codes