You may remain a Main Member of the CHIS for an indefinite period if you submit your application to the Third-Party Administrator UNIQA Office at CERN within 30 calendar days of the end of your contract. UNIQA will inform you about the monthly contribution.

However, if you choose not to remain a Main Member of the CHIS at the end of your contract with CERN, you will not be able to re-join the CHIS once you become a beneficiary of the Pension Fund.