Follow the steps to complete the MI Form 3174 successfully.

1. Click ‘Get Form’ button to obtain the form and open it in the editor.
2. Enter the filer’s first name, middle initial (if applicable), and last name in the designated fields.
3. If you are submitting a joint return, include your spouse’s first name, middle initial (if applicable), and last name.
4. Input your full Social Security number in the provided field, formatted as 123-45-6789.
5. If applicable, enter your spouse's full Social Security number in the respective field.
6. Provide the name of the financial institution where your refund will be deposited.
7. Enter the 9-digit Routing Transit Number (RTN), ensuring the first two digits are either 01 through 12 or 21 through 32.
8. Input your account number (up to 17 characters), ensuring to include hyphens but omit spaces and special symbols.
9. Select your type of account by checking the appropriate box for either checking or savings.
10. Review all entered information for accuracy and completeness before proceeding.
11. At the final step, you can save changes, download the filled form, print it out, or share it according to your needs.

Start filling out your MI Form 3174 online today to ensure timely processing of your tax refund.