Home › IRS › Publications › Publication 4465-A
Publication 4465-A: Protecting Federal Tax Information for Contractors
- Product number
- Publication 4465-A
- Title
- Protecting Federal Tax Information for Contractors
- Type
- Publications
- Issuing body
- Internal Revenue Service (irs.gov)
- Revision (per IRS index)
- Jun 2022
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.