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Official form guide
IRS Form W-4 is the Employee’s Federal Income Tax Withholding Certificate. Employees complete it to tell their employer how much federal tax to withhold from each paycheck. If total income is under $150,000 ($300,000 if married filing jointly) certain deduction lines apply.
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IRS Form W-4 is the Employee’s Federal Income Tax Withholding Certificate. Employees complete it to tell their employer how much federal tax to withhold from each paycheck. If total income is under $150,000 ($300,000 if married filing jointly) certain deduction lines apply.
Plain English
The W‑4 tells your employer how much federal income tax to take out of each paycheck. You enter your name, address, Social Security number, filing status, other income, deductions, and any extra amount you want withheld. The form must be signed and given to the employer before pay starts. If your situation changes, you can submit a new W‑4.
Submission Date
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Plizyè travay oswa Konjwen an Travay tou
Kantite prelèvman ki kòrèk la depann de revni n touche nan tout travay sa yo
✓ Verify completion of the Multiple Jobs Worksheet on page 3
Egzan de Prelèvman pou 2026
Egzanpsyon pou retansyon pou 2026 mande satisfè toulede kondisyon
✓ Confirm both exemption conditions are met before signing
Need detailed withholding and estimated tax guidance
Provides comprehensive rules on withholding and estimated tax
✓ Ensure you are using the 2026 edition of Publication 505
Not stated in the official source.
Checklist
Social Security Number
Valid SSN from card · Entered in personal info section
Signature
Employee signature · Signature line at bottom of form
Date
Date of signing · Signature line area
Employer EIN
Employer identification number · Employer information section
Address
Employee mailing address · Personal information section
Field map
Personal Info
2 items
Your legal name and current mailing address.
Your taxpayer identification number — must match IRS records.
Filing Status
1 items
Single, Married Filing Jointly, or Head of Household (for withholding purposes).
Dependents
1 items
Number of qualifying children and other dependents.
Adjustments
1 items
Additional income not from jobs or adjustments to withholding.
Withholding
1 items
Additional amount you want withheld from each paycheck.
Certification
1 items
Your tax entity type: Individual, Corporation, Partnership, etc.
Signatures
1 items
Sign and date to certify under penalty of perjury.
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Fillable formOpen in Editor->Form W-4 (ht) edition 2026, created 2/3/26; the source includes a link to www.irs.gov/FormW4 for the latest information.
Quick Facts
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Do I need to fill out steps 2‑4 if I have only one job?
The form says to complete them only if they apply.
→ Verify that you have only one job before skipping.
Can I claim head of household if I’m married?
Head of household box applies only if unmarried and paying over half household costs.
→ Ensure marital status box is correctly selected.
What if my SSN doesn’t match my name?
The form warns to contact SSA if names differ.
→ Confirm SSN and name match before signing.
Do I need to provide my employer’s EIN?
Employer EIN appears in the employer information section.
→ Check that the employer has filled in their EIN.
Is a signature required for the form to be valid?
The form states it is not valid without a signature.
→ Verify the signature line is completed.
When should I use the online estimator?
The form recommends using www.irs.gov/W4App for accurate withholding after changes.
→ Use the estimator before completing steps 2‑4.
Workflow map
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The W‑4 tells your employer how much federal income tax to take out of each paycheck. You enter your name, address, Social Security number, filing status, other income, deductions, and any extra amount you want withheld. The form must be signed and given to the employer before pay starts. If your situation changes, you can submit a new W‑4.
Employees who want the correct amount of federal tax withheld from their wages must complete IRS Form W‑4 and give it to their employer.
The form collects personal information (name, address, Social Security number), filing status, other income (line 4 (a)), deductions (line 4 (b)), and any extra withholding amount (line 4 (c)). It also requires the employee’s signature.
Start with Step 1 by entering your name, address, and Social Security number. Choose your filing status in Step 1 (c) and, if applicable, complete Steps 2‑4 by reporting other income, deductions, and extra withholding on lines 4 (a)‑(c). Sign the form in the designated area. Give the completed form to your employer.
If the information is inaccurate, the IRS can review your withholding and you may end up owing tax when you file your return.
The form says to complete them only if they apply. Verify that you have only one job before skipping.
Head of household box applies only if unmarried and paying over half household costs. Ensure marital status box is correctly selected.
The form warns to contact SSA if names differ. Confirm SSN and name match before signing.
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