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Department of Employee Trust Funds
February 16, 2018

Federal Tax Table Adjustment

The federal tax tables have changed for 2018. This means Wisconsin Retirement System retirees may see an adjustment to their federal tax withholding deductions beginning with the March 1, 2018 payment. Any member whose monthly payment has changed as a result of the new tax table will receive an Annuity Payment Statement from ETF reflecting the new withholding amount.

Retirees may adjust their federal or state tax withholding by submitting an Income Tax Withholding Election Change (ET-4310) form. Before making any changes, you may want to use ETF’s online tax withholding calculator to help you determine the impact of income tax withholding elections on your monthly annuity payments.

Please note the IRS has not yet released the 2018 Form W-4P (Withholding Certificate for Pension or Annuity Payments), please continue to use 2017 Form W-4P until the 2018 W-4P is released by the IRS.

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