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.
