Information for Software Developers
Modernized e-File (MeF) Program Information
Modernized e-File (MeF) is a web-based electronic filing system used to transmit business and individual tax returns through the Internet.
Filing Information For Tax Pros & Partners
Find information for IRS e-file providers including Modernized e-File, professional requirements for tax pros, technical guidance for software developers and more.
E-Filing Affordable Care Act Information Returns (AIR)