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.

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

Limited Service before the Christmas break. The office will be open to the public as follows:
Monday 17 and Tuesday 18 December usual opening hours
Wednesday 19 December from 3.00 p.m. to 5.00 p.m.
Thursday 20 December from 2.00 p.m. to 4.00
On Friday 21 December the service will be closed and only urgent requests will be handled.

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