Welcome to the Users' Office

The Users' Office welcomes CERN's guest scientists and is responsible for CERN contracts of the Associated Members of the Personnel and for their related Host State documents.

Due to the compilation of CERN statistics, the contracts expired at the latest on 31/12/2018 have been terminated. We regret that no "grace period" for their extension could be granted.


Users' Office location: Bldg. 61MapCERN App

Opening Hours:
Monday, Tuesday, Thursday, Friday : 08.30 – 12.30
Monday to Friday: 14.00 – 16.00
Closed Wednesday mornings and on official CERN holidays


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