Publication 4163
IRS title: “Modernized e-File (MeF) Information for Authorized IRS e-File Providers for Business Returns”.
1 record in this publication: 1 English row and 0 other-language rows. Each link goes to the IRS’s own PDF.
English publication
| Record id | Product number | Title | Revision date | Posted date | Language / edition | IRS copy |
|---|---|---|---|---|---|---|
| Publication 4163 | Publication 4163 | Modernized e-File (MeF) Information for Authorized IRS e-File Providers for Business Returns | Dec 2025 | 12/10/2025 | English | Open the IRS copy |
Source: IRS listing, retrieved September 2026. Record id: Publication 4163.
Titles, revision dates, posted dates and PDF links are copied from those rows unchanged.
Full listing: IRS, ‘Forms, instructions and publications’.