Your employer must send your W2 by January 31

Your employer is required by the IRS to mail or deliver your W2 form by January 31 of the year following the tax year you worked. If you worked during 2024, your W2 must arrive by January 31, 2025. This important date applies whether your employer sends it by mail, email, or hands it to you in person.

The IRS also requires your employer to send a copy to the Social Security Administration on the same date. This means the government has a record of your income even if your personal copy arrives late or gets lost.

Some employers send W2s earlier — many arrive in mid-January or even late December. There is no penalty for sending it before the important date, so if you receive yours in December, that is normal and you can begin preparing your taxes right away.

Key Takeaways

  • Your W2 must arrive by January 31, though many employers send them in December or early January.
  • If your W2 has not arrived by February 15, contact your employer's payroll department in writing and keep a copy of that request.
  • You can file your taxes without your W2 if it is very late, but you will need to amend your return once it arrives.
  • The IRS has a form called the 4852 that you can use as a substitute if your W2 is lost or your employer will not provide one.

What to do if your W2 arrives late

If February 15 passes and you still do not have your W2, send a written request to your employer's payroll or human resources department. Email works, but keep a copy. Include your name, employee ID if you have it, and the year you need the W2 for. Ask them to send it within five business days and request confirmation when they mail it.

If your employer does not respond or claims they already sent it, file a complaint with the IRS using Form 13909 (Available for Incomplete Employer Supplied Data). You can submit this form online through the IRS website or mail it. The IRS will contact your employer and typically resolves the issue within 30 days.

Some employers go out of business or cannot be reached. If that happens and you have already waited past mid-February, you have two options: file your taxes using Form 4852 (Substitute for Form W-2), or file without the W2 and amend your return once it arrives. Form 4852 requires you to reconstruct your income and tax withholding from your pay stubs or bank records.

How to find your W2 if it was mailed but lost

If your employer confirms they mailed your W2 but you never received it, ask them to issue a duplicate copy. Most payroll systems can reprint W2s when ready. Request that they send it to the address where you currently receive mail, not the address on file from when you worked there.

If you moved during or after the tax year, the W2 may have gone to an old address. Check with the post office or contact previous landlords or neighbors who might have received it. The post office can also file a mail forwarding request if you did not do so when you moved.

Your employer can also provide you with a transcript of your W2 information over the phone or in writing. This is not an official W2 form, but it shows your income and withholding and can help you file if the original is truly lost.

Using the IRS transcript if you cannot get your W2

The IRS keeps a record of every W2 your employer files with them. You can request a transcript of that information by calling the IRS at 1-800-829-1040 or by creating an account on IRS.gov and downloading it yourself. The transcript shows your income, federal tax withheld, and other W2 information.

You cannot use the IRS transcript to file your taxes directly — the IRS needs the actual W2 form from your employer. However, the transcript proves to the IRS that you earned that income and had that tax withheld, which protects you if your employer never sends the W2 or sends it incorrectly.

If you file your taxes using Form 4852 or without your W2, and your W2 arrives later with different numbers, you will need to file an amended return (Form 1040-X) to correct the difference. Keep the late W2 when it arrives so you have proof of the correction.

Why the January 31 important date matters

The January 31 important date gives you time to gather all your tax documents before the April 15 filing important date. If W2s arrived in April, most people would not have time to file on time or would have to file an extension.

The important date also protects you from identity theft. If a scammer uses your Social Security number to file a fake tax return, the IRS will catch it when your real W2 arrives from your employer. The earlier the W2 arrives, the sooner the IRS knows your real income and can flag any fraudulent filings.

Employers who miss the January 31 important date face IRS penalties, so most treat it seriously. If your employer is consistently late, that is worth noting — it may indicate payroll problems that could affect your paychecks or other tax documents.

Multiple W2s from different employers

If you worked for more than one employer during the year, each one must send you a separate W2 by January 31. You will receive multiple forms in the mail or email, one from each employer.

When you file your taxes, you report income from all your W2s on the same return. The IRS also receives copies from each employer, so they will know if you are missing one. If you only report income from two employers but the IRS has W2s from three, they will send you a notice asking about the third one.

If one employer is late and the others are on time, you can file your taxes using the W2s you have and amend your return once the late one arrives. You do not have to wait for all W2s to arrive before filing.

What information is on your W2

Your W2 shows your gross income (the total you earned before taxes), federal income tax withheld, Social Security tax withheld, Medicare tax withheld, and state income tax withheld if applicable. It also lists any 401(k) contributions, health insurance premiums, or other pre-tax deductions your employer took from your pay.

Box 1 shows your taxable wages — this is the number you use to calculate your federal income tax. Boxes 2 through 6 show different types of tax withheld. If you worked in a state with income tax, your state W2 information appears in boxes 18 through 20.

Your W2 also includes your employer's name, address, and Employer Identification Number (EIN), plus your name, address, and Social Security number. Check these details for accuracy. If your name or Social Security number is wrong, contact your employer when ready — the IRS will match your return to your Social Security number, and errors can delay your refund.

Frequently Asked Questions

Can I file my taxes before my W2 arrives?

You can file using Form 4852 if your W2 is significantly late, but most tax software will not let you file without a W2 if you are still within the normal filing window. If it is after April 15 and you still do not have your W2, you can file an extension and wait for it to arrive. Once it does, you will file an amended return with the correct information.

What if my W2 shows the wrong income or tax withheld?

Contact your employer's payroll department when ready and ask them to issue a corrected W2 (marked as a correction on the form). Your employer must send the corrected version to you and the IRS. Do not file your taxes until you have the corrected W2, because filing with wrong numbers will cause the IRS to send you a notice later.

Do I need to keep my W2 after I file my taxes?

Yes. Keep your W2 for at least three years in case the IRS audits your return. The IRS can go back further than three years in some cases, so keeping it longer is safer. Store it with your other tax documents and receipts from that year.

What if I never worked but received a W2?

Contact your employer and ask why you received a W2. It may be a mistake, or your employer may have reported income you did not actually earn. Do not file a tax return reporting income you did not receive — instead, ask your employer to issue a corrected W2 showing zero income, or file a complaint with the IRS if they refuse.

Can my employer email my W2 instead of mailing it?

Yes, if you consent to receiving it electronically. Your employer must get your permission in writing before sending tax documents by email. If you agreed to electronic delivery, email counts as meeting the January 31 important date. If you did not consent and your employer only emailed it, request a paper copy by mail.