All software developers are required to complete form 4430, Michigan Substitute Forms Letter of Intent.
Learn about
program requirements for software developers supporting e-file and 2-D barcoding.Click on one of the links below for downloadable draft tax forms. The forms on these links are DRAFT forms and 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 will result in the revoking of your password privileges.
For access to this secure Web site, read Policy ET-03066 and follow the instructions for requesting a user name and password (required).
E-mail questions to TreasForms@michigan.gov.
Really Simple Syndication (RSS) feed/communication information is available on any of the sites below after entering your assigned user name and password.
Alternative Filing Programs
E-file and 2-D Barcoding Program Information
for Companies Developing Software
(File Specifications, Schemas, Test Packages, Etc.)