The following links provide XML (Extensible Markup Language) schema information, Business Rules (reject criteria) and related announcements for Software Developers and Transmitters who are interested in developing software for Modernized e-File (MeF). Current valid XML schemas and business rules for exempt organizations returns Modernized e-File (MeF) status page Modernized e-File (MeF) exempt organizations providers Publications: Publication 5078, Modernized e-File (MeF) Test Package Business Submissions PDF Publication 4163, Modernized e-File Information for Authorized e-File Providers for Business Returns PDF Publication 4164, Modernized e-File Guide for Software Developers and Transmitters PDF User Guides: Automated Enrollment (AE) PDF (Rev 10/2007) MeF Submission Composition Guide - Modernized e-File System PDF (Rev 4/2015) Additional information Current Modernized e-File Stylesheets Modernized e-File (MeF) Program Information
