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Tax Withholding Designation Form (IRS Federal Form W-4P)

1/2/20 Update: The IRS has not issued a new W-4P withholding form for 2020 yet. Keep checking the IRS website for further updates.

Use the IRS Tax Withholding Estimator to calculate your withholding. It works really well.

Note: ACERA does not allow you to withhold a flat amount with no allowances. This means you MUST enter a number in the Allowances box (box 2).

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