In order to keep the health insurance cover of their family members up to date, Main Members are obliged to inform the Organization about any change in family and personal situation and declare any change in the spouse's gross income.

The objective of the CHIS is to safeguard its Members against the financial consequences of illness, accidents and maternity by providing for the reimbursement of the expenses arising from medical treatment.

The Scheme also safeguards certain Members against the financial consequences of dependence and of disability.

Is Member of the CERN Health Insurance Scheme any Main Member and any Subsidiary Member.

Changes in the contribution rates are published on the CHIS website, in the CERN Bulletin and in the Official Communications for the CERN community.