Wis. Admin. Code § Tax 2.91 — Withholding; fiscal year taxpayers

Tax 2.91(1) (1) Except as provided in sub. (2) , amounts withheld pursuant to ss. 71.64 and 71.67 , Stats., in any calendar year shall be allowed as a credit for the taxable year beginning in the calendar year. If more than one taxable year begins in a calendar year, the amount shall be allowed as a credit for the last taxable year beginning in that calendar year.

Tax 2.91(2) (2) Any employee who reports income for taxation to the state of Wisconsin on a taxable year other than the calendar year shall be allowed as a credit for the fiscal year amounts withheld by his or her employer in the fiscal year, provided the employer, on or before the end of the first month following the close of the fiscal year, shall voluntarily furnish the employee with 2 legible copies and the department of revenue with one legible copy of a written statement, adapted to the fiscal year, but otherwise consistent with the written statement referred to in ss. 71.65 (1) and 71.71 (1) , Stats., and the employee files a copy of the statement along with the fiscal year return.