Information For...

For you and your family
Standard mileage and other information

Forms and Instructions

Individual Tax Return
Instructions for Form 1040
Request for Taxpayer Identification Number (TIN) and Certification
Request for Transcript of Tax Return


Employee's Withholding Allowance Certificate
Employer's Quarterly Federal Tax Return
Employers engaged in a trade or business who pay compensation
Installment Agreement Request

Popular For Tax Pros

Amend/Fix Return
Apply for Power of Attorney
Apply for an ITIN
Rules Governing Practice before IRS

Modernized e-File Schemas and Business Rules for Individual Tax Returns and Extensions


The following links provide information and technical guidance for Software Developers and Transmitters who are interested in developing software for the Modernized e-File Individual Tax Return Program.  You will find XML Schemas, Business Rules, and other useful information and documents by tax year.   


Production & Acceptance Testing System (ATS) Schemas and Business Rules by Tax Year

Tax Year

 Form  Types

2018 1040, 1040NR, 1040SS(PR), 4868, 2350, 9465, 56
2017 1040, 1040A, 1040EZ, 1040NR, 1040SS(PR), 4868, 2350, 9465, 56
2016 1040, 1040A, 1040EZ, 1040NR, 1040SS(PR), 4868, 2350, 9465, 56

Software Testing: Tax Year test scenarios are provided in Publication 1436.

Stylesheets: Individual Tax Return and Extensions stylesheets can be downloaded for use in displaying XML tax return data and are located on the MeF Stylesheets page.

Instance Document:

IRS e-Signature Option for Taxpayers Currently Using Forms 8878 or 8879

Back to Main MeF Schemas and Business Rules Page

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