Forms and Filing Information
Please note,
you must conduct your own research and are responsible for filing the correct forms, including ones not listed below.
Thank you.
2026 Form W4
Form WT-6 filing instructions
https://www.revenue.wi.gov/TaxForms2017through2019/w-006instr.pdf
Form WT-7 filing instructions
Form Schedule H instructions
2026 Form W3 & W2 filing instructions