
How Long to Keep Business Records: A Plain-English Retention Schedule Tied to the IRS Statute of Limitations
The IRS retention clock varies by record type — three years for routine returns, four for employment tax, six when income is understated by more than 25%, seven for bad-debt and worthless-securities losses, and indefinite for unfiled or fraudulent returns. A defensible schedule built on the statute of limitations, Rev. Proc. 97-22 electronic-records rules, and DOL and OSHA overlays.










