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Taxation in Switzerland

Memorandum concerning the 2018 internal taxation certificate and the 2018 income tax declaration forms issued by the Swiss cantonal tax administrations

You are reminded that the Organization levies an internal tax on the financial and family benefits it pays to the members of the personnel (see Chapter V, Section 2 of the Staff Rules and Regulations) and that the members of the personnel are exempt from federal, cantonal and communal taxation on salaries and emoluments paid by CERN.

I - Annual internal taxation certificate for 2018

The annual certificate of internal taxation for 2018, issued by the Finance and Administrative processes Department, is available since 11 February 2019It is intended exclusively for the tax authorities.

  1. If you are currently a member of the CERN personnel you will receive an e-mail containing a link to your annual certificate, which you can print out if necessary. 
  2. If you are no longer a member of the CERN personnel or are unable to access your annual certificate as indicated above, you will find information explaining how to obtain one here: http://admin-eguide.web.cern.ch/en/procedure/ annual-internal-taxation-certificate

In case of difficulty in obtaining your annual certificate, send an e-mail explaining the problem to service-desk@cern.ch.

II - 2018 income tax declaration forms issued by the Swiss cantonal tax administrations

The 2018 income tax declaration form should be completed in accordance with the general indications available at this address: http://admin-eguide.web.cern.ch/en/procedure/income-tax-declaration-switzerland 


This information does not concern CERN pensioners, as they are no longer members of the CERN personnel and are therefore subject to the standard national legal provisions relating to taxation.

HR Department
Contact: HR-Internal-tax@cern.ch