Home › IRS › Publications › Publication 1436
Publication 1436: Assurance Testing System (ATS) Guidelines for Modernized e-File (MeF) Individual Tax Returns
- Product number
- Publication 1436
- Title
- Assurance Testing System (ATS) Guidelines for Modernized e-File (MeF) Individual Tax Returns
- Type
- Publications
- Issuing body
- Internal Revenue Service (irs.gov)
- Revision (per IRS index)
- Oct 2025
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.