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University of Basel


Withholding tax

In December 2016, the Federal Act on the Revision of Withholding Tax on Earned Income was passed and will now come into force on January 1, 2021. This will fundamentally change the Swiss withholding tax system for the first time since 1995. The aim is to treat withholding taxpayers and regular taxpayers equally from now on. In addition, the revision will result in a uniform calculation of withholding taxes throughout Switzerland.

You are obliged to inform us if you start / stop working for another employer. In addition, we ask you to provide us with details of your partner's employment and to notify us immediately of any changes in your tax situation (giving up / taking up employment, change in marital status, relocation, etc.).

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