New Registration

Maximum length of contract
Users and Cooperation Associates 3 years - Visiting Scientists 1 year
A Short term contract is a single stay of maximum 3 months, not renewable

The registration procedures are subject to the CERN Staff Rules and Regulations and the agreements between CERN and the Swiss and French authorities.

Please note the registration procedure:

  • The person in charge (for users, Team Leader, Group Leader of the institute and for COAS and VISC the Department Head or an authorized person on his/her behalf) has to initiate the online registration via the 
    Pre-Registration Tool PRT (you can now obtain computer access rights). We highly recommend to submit a PRT.
    As a person in charge please consult the HowTo documentation and the video tutorial
  • The following documents are mandatory for the pre-registration and need to be attached to the online registration form:
  • Documents for registration of family members if they are accompanying you :
  • If your family members will arrive later :

    For the pre-registration of a COAS a cooperation agreement number is required


    Documents for the Dosimetry Service

    The Dosimetry Service organises the legally required personal dosimetry monitoring of individuals occupationally exposed to ionising radiation at CERN.

    If you need to obtain a personal dosimeter, conditions and required documents are available here.

    Following the online pre-registration newcomers must come to the Users' Office to finalize their registration.


    Once registered you can print an attestation of your association to CERN.

    The original signature from the Team Leader/Department Head is required for the Registration form and the Contract Modification and Extention Form.

    In exceptional cases, the Users's Office can accept a digital signature (electronic copy) if the document is sent to the User and to by the signature holder via email or fax. In this case, the User must bring a copy of this email when registering at the User's Office.

    The original signature from the reponsible is required for the Home Institution Declaration Form.

    In exceptional cases, the Users's Office can accept a digital signature (electronic copy) if the document is attached to the electronic  contract extension and includes a valid signature certificate or similar evidence. The email address of the signatory must be included in this signature.

    Team Leaders and their Deputies Team Leaders must be officially nominated.

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