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    Our mission is to welcome, register and provide support to CERN’s guest scientists.

    We are responsible for the CERN contracts and Host-State documents of Associated Members of the Personnel (Users, COAS and VISCs).


    Support to those affected by the war in Ukraine



    09-MAY-2022 : Further relaxing of COVID-19 measures at CERN.

    21-APR-2022 : The Users Office has launched a quarterly newsletter dedicated to Team Leaders and accessible to all from this website

    31-MAR-2022 : A new version of the Team Leaders' course is now available on the CERN Learning Hub.

    09-MAR-2022: new EDH document (Pre-Registration form) for the registration of External Participants in an Experiment is now available.

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    to comply with CERN's policy on Data Privacy, we invite you to securely share all your documents with us by uploading them directly on the Users Office CERNBox

    The Users Office proudly supports Diversity @ CERN and promotes inclusiveness.