Software Developer Information and Specifications

Specifications are provided for developers of software for electronically filing tax returns. This information is for:

  • Commercial software vendors to create software for approval by the Department.
  • Companies to develop in-house software applications for direct electronic filing of their tax returns.

What's New

  • The Department is migrating its XML schemas and specifications to the Federation of Tax Administrators (FTA) State Exchange System. For further information, see each tax section below.
  • Corporate Income Tax
    • TY2021 specifications are now available on the State Exchange System.
    • Assurance Testing System (ATS) support is provided starting October 2021 ending March 2022.
  • Sales and Use Tax
    • Specifications for 2021 are now available below.

All software developers must complete a Software Development Application (Form DR-600001 PDF Icon).

For information about developing filing software, contact the Business Technology Office at If you are an authorized vendor, please include your software ID.

Communications Services Tax

Corporate Income Tax

  • Corporate Income Tax specifications are available through the Federation of Tax Administrators (FTA) State Exchange System (SES). For access to the Florida development folders, you must submit the Software Development Application (Form DR-600001 PDF Icon) on an annual basis for each tax year.

Insurance Premium Tax

Motor Fuel Tax

Reemployment Tax

Sales and Use Tax, Solid Waste Surcharge and/or E911 Fee