Software developers who intend
to reproduce Michigan tax forms must complete TY09 Form
4430 Michigan Substitute Forms Letter of Intent.
Advance copies of draft tax forms and e-file specifications
are published on this secure Web site. For access to this site, read
Policy ET-03066 and follow the instructions for requesting a user name and
password. E-mail questions to
TreasForms@michigan.gov.
Documents on the secure site are not available for public use.
They are provided to help software developers build their software products in a
timely manner. Misuse of this site may result in developers being prevented from
participation in the early release and approval of tax forms.
Really Simple Syndication (RSS) feed/communication information
is available on any of the sites below after entering your assigned user name
and password.
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Individual Income Tax |
Michigan Business Tax |
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Fiduciary Tax |
Sales, Use & WithholdingTax |
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Scan Line Specifications and Form Samples
(Forms 160, 161, MI-1040ES, MI-1040-V, MI-1041ES, 4548 and SBT-V.) |
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Electronic Filing Programs E-file and 2-D Barcode Program Information for Companies Developing Tax Preparation Software for Individual Income Tax and Michigan Business Tax (File Specifications, Schemas, Test Packages, Application and Intent to Participate, etc.) |