The tax return - for end-user systems

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Technical documentation

You’ll find technical documentation for the tax return, information on how to test your system, and other useful tips at GitHub:

The tax return (GitHub)

Overview of the contents in the tax return

You’ll find an overview of the fields, texts, and other contents in the tax return for individuals and businesses, including the business information, here:

Overview of the contents in the tax return

Operational status and planned changes

Here you will find information about the operational status of the Tax Administration’s and the National Population Register’s services. You can also subscribe to operational notices.

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  2. The user administrator must create users in the user administration tool.

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