Federal law requires employers to keep W-2 records for at least four years, but most payroll professionals recommend holding them for six or seven. The four-year figure is the IRS floor for employment tax records.1Internal Revenue Service. How Long Should I Keep Records? Longer audit windows for understated income, open-ended exposure for fraud, and stricter state rules all push the practical retention period beyond that minimum.
The Four-Year Federal Rule
The IRS requires employers to keep all employment tax records for at least four years after the date the tax becomes due or is paid, whichever comes later.1Internal Revenue Service. How Long Should I Keep Records? The “whichever is later” phrasing matters. If you filed your 2025 employment tax return in early 2026 but didn’t pay the balance until mid-2026, the clock runs from the payment date. Those records need to stick around through mid-2030.
The rule covers more than the W-2 itself. It applies to the full supporting paper trail: payroll registers, time records, tax deposit receipts, and anything else tied to the numbers you reported.2Internal Revenue Service. Recordkeeping In an audit, the IRS will want to see how each figure on the W-2 was built, not just the final form.
When the IRS Can Look Back Longer
The IRS’s standard audit window is three years from the filing date. Two exceptions can stretch that window well past four, and both affect how long your W-2 records remain relevant.
The first is a substantial omission of income. If a return understates gross income by more than 25%, the IRS has six years to assess additional tax instead of three.3Office of the Law Revision Counsel. 26 U.S. Code 6501 – Limitations on Assessment and Collection For an employer, that means records tying reported W-2 wages to actual payments stay important for six years after the related return was filed. On its own, this is the main reason many tax advisors suggest a seven-year retention policy.
The second exception is fraud. When a return is fraudulent or was never filed, there is no time limit on IRS assessment.3Office of the Law Revision Counsel. 26 U.S. Code 6501 – Limitations on Assessment and Collection An employer accused of deliberately falsifying payroll figures could face scrutiny over returns from a decade ago. Keeping every record forever isn’t realistic, but the open-ended risk is worth factoring in, especially for businesses with complex payroll arrangements or heavy turnover.
State Retention Laws
Federal rules set the floor. Your state may require longer. State labor and unemployment tax statutes commonly require employers to keep payroll documentation for three to six years depending on the jurisdiction, and where state law demands more than the four-year federal rule, the state requirement controls.
If you have employees in more than one state, you need to track each state’s rule separately. The simplest approach for multi-state employers is to identify the longest retention period among the states you operate in and apply it across the board. The specific requirement for any given state is published by that state’s Department of Labor or Department of Revenue.
Other Federal Rules Sit Under the IRS Floor
Several other federal statutes impose their own payroll record retention periods, including the Fair Labor Standards Act (three years), the Age Discrimination in Employment Act (three years), and EEOC rules for private employers (generally one year, two for government employers and schools). None of these currently exceed the four-year IRS requirement, so following the IRS rule will keep you in compliance with all of them.4eCFR. 29 CFR 516.5 – Records to Be Preserved 3 Years5eCFR. 29 CFR 1627.3 – Records to Be Kept by Employers6U.S. Equal Employment Opportunity Commission. Summary of Selected Recordkeeping Obligations in 29 CFR Part 1602
One EEOC rule overrides those short baseline timelines: if an employee files a discrimination charge, you must keep every record related to that charge until the matter is fully resolved, including any court proceedings.6U.S. Equal Employment Opportunity Commission. Summary of Selected Recordkeeping Obligations in 29 CFR Part 1602 That can extend retention well beyond the normal periods.
Storing W-2s Electronically
Paper copies are not required. The IRS has accepted electronic storage of tax records since the late 1990s, provided the system meets its standards.7Internal Revenue Service. Rev. Proc. 97-22 Four basic requirements apply:
- Every letter and number must be clearly legible on screen and in print. A blurry scan that is technically readable does not qualify.
- Records must be indexed so that specific documents can be located quickly, comparable to a well-organized filing system.
- You must be able to retrieve and reproduce any stored record on request during an audit, including printing hard copies.
- You are responsible for providing the hardware, software, and staff the IRS needs to access the records during an examination.
A reputable payroll platform or cloud document management service will handle most of this automatically. The risk comes from informal setups: scans on a personal laptop, a single flash drive with no backup, records parked in email attachments. If you cannot produce the records on demand, their past existence is beside the point.
Business Closures and Acquisitions
Shutting down a company does not end the four-year obligation. If anything, closure raises the stakes, because no active payroll department remains to reconstruct missing data. When you file your final employment tax return, the IRS requires you to attach a statement identifying the person who will keep the payroll records and the address where they will be stored. You must also issue final W-2s to all employees for the calendar year in which you paid their last wages.8Internal Revenue Service. Closing a Business
In an acquisition, the successor employer generally inherits recordkeeping responsibilities. For both buyers and sellers, the practical step is to address record custody directly in the acquisition agreement: which party keeps the employment tax records, where they live, and how long they are maintained. Skipping that detail is one of the most common ways records vanish during a transition, and “the other company was supposed to keep those” is not a defense the IRS will accept.
Penalties for Failing to Keep Records
Missing records create exposure on three fronts. The first is IRS penalties for information return failures tied to W-2s that cannot be properly filed or corrected because the underlying data is gone. Per-form penalties scale with how late the correction comes and can reach $340 per form for returns corrected after August 1 or never filed at all, and $680 per form for intentional disregard, with no annual cap in that top tier.9Internal Revenue Service. Information Return Penalties For a company with a few hundred employees, the arithmetic gets ugly fast.
The second is litigation. If a former employee sues for unpaid wages or alleges discriminatory pay, W-2s and payroll records are the primary evidence an employer uses to defend itself. Without them, you are asking a court to take your word for it, and courts rarely do.
The third is criminal. Willful failure to keep required tax records is a federal misdemeanor. Conviction can mean fines of up to $25,000 for an individual or $100,000 for a corporation, plus up to one year in prison.10Office of the Law Revision Counsel. 26 U.S. Code 7203 – Willful Failure to File Return, Supply Information, or Pay Tax “Willful” is doing the work in that sentence. An honest filing error or a storage failure after a flood is not going to trigger criminal charges. Deliberately destroying payroll records to hide tax fraud is exactly the conduct the statute targets.
How Long You Should Actually Keep Them
Four years is the federal minimum. The six-year audit window for income omissions, the uncapped risk when fraud is alleged, and the patchwork of state requirements all argue for keeping them longer. Seven years is where most payroll professionals land. It clears the six-year extended audit window with margin, satisfies every state retention law currently on the books, and costs almost nothing when records are stored electronically. The expense of a few extra years of digital archives is trivial compared to the cost of not having a record when someone comes asking.