Form W-4: fill out and sign online
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What is form W-4
Employee's Withholding Certificate
Form W-4 tells your US employer how much federal income tax to withhold from your pay. You fill it out when you start a job and update it when your situation changes: marriage, a new child, a second job.
Official form W-4 on the IRS websiteOther popular forms
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FAQ
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Form W-4 goes to your employer. It is not sent to the IRS, and you can submit a new one at any time if your situation changes.
Download the official form W-4, open it in the editor, type your details into the fields, add your signature and click "Download PDF". Everything happens in your browser.
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