Form6BL: Form6BL (2025)

Wisconsin · Wisconsin DOR · Used for tax years 2025

Wisconsin Form 6BL tracks net business loss carryforwards for combined group members for 2025. It lists income, losses, losses used or expired, and remaining losses available by year, with separate columns for non-shareable, shareable, and pre-2009 shareable losses.

Who files this form

Form 6BL is for combined group members reporting Wisconsin net business loss carryforwards for tax year 2025. The form does not state detailed filing requirements.

What you'll need

The form asks for the following information:

  • Combined group member’s name and Federal Employer ID Number.
  • Income and loss amounts for the listed years, 1995 through 2024.
  • Loss amounts used or expired and remaining losses available.
  • Separate amounts for non-shareable, shareable, and pre-2009 shareable losses.

The form does not list supporting documents to attach.

How to file

The form is marked “Sample Form” and says “File Electronically.” It does not provide an electronic filing procedure or a mailing address.

Questions people ask

What is Form 6BL used to report?

It reports Wisconsin net business loss carryforwards for combined group members, including losses used or expired and remaining losses available.

Which years are listed on the 2025 form?

The form has rows for 1995 through 2024.

How does the form separate loss amounts?

It has separate columns for non-shareable, shareable, and pre-2009 shareable losses. These categories appear under losses, losses used or expired, and remaining losses available.

What identifying information does the form request?

It requests the combined group member’s name and Federal Employer ID Number.

Official sources

All versions of Form6BL