Free File Fillable Forms: Military and international filers

Specific information for military and international filers who use Free File Fillable Forms.
Software Development
Software Developers

Definition of adjusted gross income

Find out what adjusted gross income (AGI) is and where to find it on your tax return.
Software Development
Software Developers

Self-select PIN method for Forms 1040 and 4868 Modernized e-File (MeF)

Self-select PIN info for 1040 MeF program
Software Development
Software Developers