Notifying the tax office

General information

The competent tax office ( BMF)German text must be notified of the start and location of the business; this can be done during e-start-up on the Business Service Portal USP.

Please note

These rules also apply to all entrepreneurs from EU Member States in Austria.

Please note

If you have previously filed an employee tax return you can notify the tax office of the change on FinanzOnline ( BMF)German text (option Anträge/Erklärungswechsel [applications/change of return type]).

You will also apply for a tax reference during the financial registration part of e-start-up on the Business Service Portal USP. The tax reference must be quoted in all contact or correspondence with the tax office.

You can also request a VAT ID number during the initial registration.

Enterprises affected

Sole traders


Commencement of trading activities


Within a month of commencing the activity.

Competent authority

Only the Tax Authority Austria ( BMF)German text


During e-start-up, a questionnaire is completed notifying the tax office of the start and location of the business. The tax office decides whether the entrepreneur will be assessed for tax and issues a VAT ID number if that has been requested.

A tax account is set up for entrepreneurs who are to be assessed, under their personal or company name and tax reference; all VATGerman text, income tax and wage-related tax payments are credited to, and debited from, this account.

As with a giro account, the tax office issues account statements which show back payments, pre-payments or credits.

Required documents

Filled out Questionnaire

Costs and fees

No fees or charges are payable.

Further information


Any queries can be answered by the information centre of the relevant tax office ( BMF)German text.

Legal bases

Einkommensteuergesetz 1988

Link to form

Authentication and signature

  •  Electronically:

Registration via FinanzOnline ( BMF) with login details, mobile phone signature, card-based citizen card system ( oesterreich.gv.at)German text or EU Login

Registration via USP with USP login details or mobile phone signature

  • In writing: informal letter or by sending a signed and completed questionnaire

Assistance and problem-solving services

There are no assistance or problem-solving services.

Further service points

Tax Ombudsman of the Federal Ministry of Finance ( oesterreich.gv.at)German text

Translated by the European Commission
Last update: 1 January 2022

Responsible for the content: Federal Ministry of Finance

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