Wisconsin

Form
Filing Requirements
Corrections
1099-B
1099-DIV
1099-INT
1099-NEC
1099-OID
1099-R
File data through IRS Combined Federal/State Filing Program. Direct filing required of forms that have state withholding.
Corrections of directly filed forms are completed in the 1220 format. Only the corrected statements are required.
1099-MISC
Direct filing of all forms reporting $600 or more in payments, or forms that have state withholding.
N/A
Filing Due Date
January 31
Filing Method:
Electronic Upload
Electronic Filing URL
Filing Format:
IRS 1220 for 1099 filings
CFS Participant:
Yes
Supporting Documentation
Additional information
  • The supporting documentation refers specifically to Forms 1099-MISC and 1099-R in the title, but also states: "Persons that file Form 1099s for Wisconsin payees to the IRS as part of the IRS Combined Federal/State filing program must file those Form 1099s with the Department of Revenue if Wisconsin tax is withheld."
  • Wisconsin reconciliation Form WT-7 must be electronically filed.