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View or download the income tax software developer kit.

This contains:

  • sample request and response messages for each service operation for each return type
  • the schema (XSD) and supporting WSDL for the return service
  • the return service build pack for income tax (includes data definitions and response status codes)
  • test scenarios
  • test data.

Income tax software developer kit (SDK) on GitHub

Use the Getting started guide to find out how to access our sandbox (mock services) and test environments.

Getting started guide

Supporting services

Identity and access service

Last updated: 28 Apr 2021
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