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Publication 4557: Safeguarding Taxpayer Data: A Guide for Your Business
- Product number
- Publication 4557
- Title
- Safeguarding Taxpayer Data: A Guide for Your Business
- Type
- Publications
- Issuing body
- Internal Revenue Service (irs.gov)
- Revision (per IRS index)
- May 2024
The number, title, and revision date above are reproduced verbatim from the
official IRS
index (captured July 2026). Newer revisions may exist — check irs.gov. This page adds
no instructions or commentary. Not tax or legal advice.