How long the IRS requires you to keep tax returns
The IRS requires you to keep your tax return and the documents that support it for at least three years from the date you filed or the date the return was due, whichever is later. This three-year window is the standard period during which the IRS can audit your return and request to see the paperwork behind your numbers.
However, three years is not always the final answer. The IRS can go back further if they suspect underreporting of income or other issues. If you underreported your income by 25 percent or more, they can audit you for up to six years. If they suspect fraud, there is no time limit — they can come back decades later. For this reason, many tax professionals recommend keeping records longer than the minimum.
The clock starts from whichever date is later: the date you actually filed your return, or the date it was legally due (usually April 15). If you filed early in February, the three-year period runs from April 15 of that tax year, not from February. If you filed late, it runs from your actual filing date.
Key Takeaways
- Keep tax returns and supporting documents for at least three years from the filing important date or actual filing date, whichever is later.
- The IRS can audit back six years if they believe you underreported income by 25 percent or more.
- There is no time limit for audits involving suspected fraud, so keeping records indefinitely for those years is safer.
- Supporting documents include receipts, W-2s, 1099s, mortgage statements, charitable donation records, and anything else that backs up the numbers on your return.
- After the retention period ends, you can shred paper documents or delete digital files, but many people keep older returns for their own records anyway.
What documents count as "supporting documents"
Supporting documents are anything that proves the income, deductions, or credits you claimed on your return. For most people, this includes W-2s from employers, 1099s for freelance or investment income, receipts for charitable donations, medical expense records, mortgage interest statements, property tax bills, and business expense receipts if you are self-employed.
If you claimed the standard deduction, you do not need receipts for individual deductions — the standard deduction does not require itemization. But if you itemized deductions, you must keep receipts and statements for every deduction you listed. The same applies to business expenses: keep invoices, receipts, mileage logs, and bank statements that show the expense was real and the amount was correct.
For investment income, keep brokerage statements, dividend records, and documentation of cost basis if you sold stocks or mutual funds. For rental property, keep lease agreements, repair receipts, property tax bills, and insurance statements. The rule is straightforward: if a number on your return could be questioned, keep the paper or digital file that proves it.
When you can safely discard old returns
Once the retention period has passed, you can shred paper tax returns and supporting documents or delete digital copies. For most returns, this means you can discard them after three years plus the current year — so a 2021 return can be destroyed in 2025. If you suspect the IRS might have reason to audit further back (for example, if you were self-employed and had large income swings), keep them longer.
Before you discard anything, make sure you have a copy for your own records if you think you might need it later. Some people keep old returns indefinitely because they are small and take up little space, and because they occasionally need to reference old income for a mortgage process or other purpose. Digital storage costs almost nothing, so keeping PDFs of old returns is a reasonable choice.
When you do discard paper documents, shred them rather than throwing them in the trash. Tax returns and supporting documents contain your Social Security number, bank account information, and other sensitive data that identity thieves can use.
Special situations that require longer retention
If you own a home, keep the purchase documents and records of major improvements indefinitely, because they affect your cost basis when you sell. The IRS can ask about these years later, and you will need proof of what you paid and what you spent on renovations.
If you claimed a loss on a business or rental property, keep those records for at least seven years. The IRS scrutinizes loss claims more closely and may audit further back than the standard three years.
If you received income from a source that is no longer active — a job you left, a business you closed, rental property you sold — keep those records for at least six years after the last year you reported that income. The IRS sometimes audits years after income has stopped, especially if they are investigating whether you reported all the income you received while the source was active.
Digital versus paper storage
You can keep tax documents in either form. The IRS accepts digital copies as evidence in an audit, so scanning your returns and receipts and storing them on a computer or cloud service is legally sufficient. Digital storage takes up almost no physical space and is easier to search if you need to find something quickly.
If you keep digital copies, make sure you have a backup. Store them in at least two places — for example, on your computer and on a cloud service like Google Drive or Dropbox, or on an external hard drive and a cloud service. If your computer fails or your cloud account is hacked, you still have a copy.
Paper copies are also fine and have the advantage that they cannot be lost to a computer crash or hacking. Many people keep both: they scan documents for straightforward searching and keep originals in a file box or filing cabinet for the retention period.
What to do if you cannot find old documents
If the IRS audits you and you cannot locate a receipt or supporting document, it does not automatically mean you lose the deduction. You can reconstruct the amount using bank statements, credit card statements, or other evidence that shows the expense occurred. For example, if you cannot find a charitable donation receipt, a bank statement showing a check to the charity can serve as proof.
However, reconstruction is harder and takes longer than having the original document. The IRS may ask follow-up questions or request additional proof. For this reason, keeping good records from the start is much easier than trying to recreate them later.
If you are missing documents from a year that is still within the audit window and the IRS contacts you, contact a tax professional or the IRS directly to ask what alternative documentation they will accept. Do not ignore an audit notice or assume the missing document means you will lose the deduction.
How long to keep records for self-employed income
If you are self-employed, keep business records for at least six years, even though the standard retention period is three years. Self-employment income is audited more frequently and the IRS often looks back further. Business records include invoices, receipts, bank statements, mileage logs, and anything that documents your income and expenses.
Keep a separate file for each year of business. Include copies of all invoices you sent to clients, all receipts for business expenses, bank statements for your business account, and records of any equipment or property you purchased for the business. If you claim a home office deduction, keep the documentation of your home office square footage and the percentage of your home it represents.
Many self-employed people use accounting software like QuickBooks or FreshBooks that automatically stores digital records. If you use this approach, make sure you export and back up your data regularly in case the service shuts down or your account is compromised.
Frequently Asked Questions
Do I have to keep receipts if I took the standard deduction?
No. The standard deduction does not require you to itemize or provide receipts for individual deductions. You only need to keep receipts if you itemized deductions on Schedule A. However, you should still keep records of income — W-2s, 1099s, and other income documentation — regardless of which deduction method you used.
What if I filed my taxes late — does the three-year clock start from when I filed or from the due date?
It starts from whichever is later. If you filed in June for a 2023 return, the three-year period runs from June (your filing date), not from April 15 (the due date). If you filed early in February, it runs from April 15. The IRS always uses the later date to give themselves the longest possible window.
Can I throw away my tax return after I get my refund?
No. Keep your return and supporting documents for at least three years even after you receive a refund. The IRS can still audit you during that period and ask to see the documents that back up your return. A refund does not mean the IRS has approved everything on your return.
Should I keep tax returns from before I owned a home or business?
You can discard personal tax returns after three years if they do not relate to ongoing property or business. However, if you later buy a home or start a business, keep those old returns in case the IRS asks about your income history. Many people keep all old returns indefinitely because they take up little space and occasionally prove useful.
What happens if the IRS audits me and I have already thrown away the documents?
You can reconstruct the amounts using bank statements, credit card statements, or other evidence. It is harder than having the original documents, but not impossible. If you receive an audit notice, contact a tax professional when ready rather than trying to handle it alone without documentation.