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Tax Code Software Foundation :: Developer Resources

Internal Revenue Service

General Information

• Information for Tax Pros

Legal Resources

• Title 26 Internal Revenue Code
• Treasury Regulations

Forms/Instructions

• Fill in Forms (PDF)
• Advance Draft Forms (PDF)

E-File Resources

General

• E-Services
• Form 8633 - Application to Participate in IRS E-file
• QuickAlerts for IRS e-file
• IRS e-file Handbook

1040

• Publication 1346 1040 Efile Record Layouts
• Publication 1436 PATS testing

1120/1120S

• General Information
• Technical Information/User Guide

1041

• Publication 1437 Procedures and Specifications for 1041
• Publication 1438 E-File Record Layouts for 1041
• Publication 1438 Supplement for 1041

94x

• General Information
• Technical Information/User Guide

States

XML Technologies Utitlized

• Orbeon XML Presentation Server
• WC3 XForms Specification
• X Forms Tutorial
• WC3 XMLSchema Structures Specification
• WC3 XMLSchema Datatypes Specification
• WC3 XSLT Specification
• WC3 XML Path Specification
• WC3 XML Inclusions
• Adobe PDF Specification

Open Source Technologies Utilized

• Apache TomCat
• Sun Java
• MySQL (Relational Database)
• eXist (XML Database)
• Eclipse Studio

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Tax Code Software contains software that exclusively uses licenses approved by the Open Source Initiative (OSI).

Tax Code Software TM is a trademark of Tax Code Software Foundation, Inc.

Copyright 2005-2006 by the Tax Code Software Foundation