Wisconsin recently updated Publication 172 (Annual W-2, W-2C, 1099-R, 1099-MISC, 1099-NEC, 1099-K, and W-2G) Electronic Reporting. Notably, Wisconsin has indicated that it will accept 1099 records transmitted using the new federal Information Return Intake System (IRIS) XML format for tax year 2024 and beyond. IRIS formatted files can be submitted using secure file transfer protocol (sFTP). Section 13 has been added to the guide to address filing IRIS formatted files. The section includes four new business rules that apply to IRIS files.
Publication 172 can be found here.
