Contract modification and extension

 For

  • Change of average presence at CERN: if your average presence at CERN is ≥ 55 % and you decrease it to < 55 % you must return your French and Swiss cards to the Users' Office (these legitimation documents are property of the CERN Host States). Without a current contract all CERN privileges including residence rights, acquired as a result of having CERN based documents for Switzerland and/or France (ex.: visa, green plates) elapse after the last day of your contract.
  • Change of experiment or project (User)
  • Contract Extension (possible 28 days before the end of contract date)
    Maximum length of contract extension
    Users and Cooperation Associates 5 years
    Visiting Scientists 1 year
  • Change of Institute
  • Change of Department
  • Change of Group
  • Change of Category of Association with CERN: If you change your CERN contract from User to Cooperation Associate or Visiting Scientist and vice versa, from Cooperation Associate to Visiting Scientist and vice versa.
  • Change of Status: If you change your CERN contract from Staff, Fellow or Doctoral Student to User, Cooperation Associate, Visiting Scientist.

You have to provide

  • The Contract Modification and Extension Form (EDH or Paper)
  • a new Home Institution Declaration - HID (Valid for a period of 6 months following the date of signature)*
    English - French  (suggested to open with Mozilla Firefox)
    To be completed by an authorized representative of the candidate’s home institution for the purpose of issuing the candidate a contract of association with CERN.

Can be done via

EDH or Form

 

For

  • Extension of a short term contract
    You have to come personally
     

You have to provide

  •  a Registration Form : English - French
    This form is editable if your browser uses Adobe Acrobat Pro.

  • a new Home Institution Declaration - HID (Valid for a period of 6 months following the date of signature)*
    English - French  (suggested to open with Mozilla Firefox)
    To be completed by an authorized representative of the candidate’s home institution for the purpose of issuing the candidate a contract of association with CERN.

 

Formalities for Host-States documents:  Legitimation documents

 

The original signature from the Team Leader/Department Head is required for the paper Registration form and the paper version of the Contract Modification and Extension Form.
In exceptional cases, the Users' Office can accept a digital signature (electronic copy) if the document is sent to the User and to users.office@cern.ch 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.

Updated on: 
14/02/2017
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