2014 Information for Software Developers

All participants in the NYC program must comply with the procedures, requirements, and specifications as detailed in IRS Publication 3112: IRS e-File Application and Participation and IRS Publication 4164: Modernized e-File Guide for Software Developers and Transmitters.

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Additional IRS Publications

Software Developer's Guide
Download TY2014 Guide


NYC-Specific Schemas
Download TY2014 Schemas (v4.0)
Download TY2014 Generic and Attached Schedules (v2.0)

Business Rules
Download TY2014 Business Rules
2014 Naming Conventions

Error Codes
Error Categories and Messages

Test Packages
2014 GCT Test Package
2014 BCT Test Package
2014 UBTP Test Package
2014 UBTEIN Test Package
2014 UBTISSN Test Package

2014 1127 Test Package


Other Links
Business Tax Services
Frequently Asked Questions
Email Business Tax e-File (BTeF)