Schedule4V: Schedule4V (2025)

Wisconsin · Wisconsin DOR · Used for tax years 2025

Wisconsin Schedule 4V reports a corporation’s Wisconsin additions to federal income for 2025, including certain income, expenses, basis differences, and credit-related additions. It is filed with Wisconsin Form 4, and the total is entered on Form 4, page 1, line 2.

Who files this form

Schedule 4V is used by corporations to report Wisconsin additions to federal income. The 2025 form says to file it with Wisconsin Form 4.

What you'll need

The form calls for your corporation name and Federal Employer ID Number.

Depending on the additions you report, it also calls for:

  • Schedule RT, Part I, Schedule 2K-1, and Schedule 3K-1 for related entity expenses on line 3.
  • An attached schedule for basis, section 179, depreciation, and amortization differences on line 6.
  • An attached schedule for the amount by which the federal basis of assets disposed of exceeds their Wisconsin basis on line 7.
  • Schedule 4I, line 4, for special additions for insurance companies on line 9.

How to file

File Schedule 4V with Wisconsin Form 4. Enter the Schedule 4V line 11 total on Form 4, page 1, line 2.

The supplied form does not give a mailing address or e-filing directions.

Common mistakes

  • Do not skip the form's reminder to read the instructions before filling in the schedule. Instructions were not included in the supplied text.
  • Do not leave out the attached schedules requested for lines 6 and 7.
  • For credit additions on line 8, follow the form's reminder to see the instructions.

Questions people ask

What does Schedule 4V report?

It reports Wisconsin additions to federal income, including items such as interest income from state and municipal obligations, state taxes accrued or paid, and expenses related to nontaxable income.

Which year's manufacturing and agriculture credit goes on line 8j?

On the 2025 schedule, line 8j is labeled for the manufacturing and agriculture credit computed in 2024.

How do I total the credit additions?

Add lines 8a through 8k and enter the result on line 8l.

Where does the final total go?

Enter the total from Schedule 4V, line 11, on Wisconsin Form 4, page 1, line 2.

Official sources

All versions of Schedule4V