Payroll Tax Reporting and Information Returns in WisconsinStatements to Employees. Federal Form W-2 by January 31, or on date of last payment of wages. Information Returns. Form 9b or federal Form 1099 for each individual who is paid $600 or more during the year and such payments are not subject to withholding, or federal Form 1099-R for payments subject to state income tax withholding, both due January 31. |