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Attention!

Fraudulent emails are currently circulating in the name of OASI.

Updated on 29 Sept 2026

These messages state that your OASI insurance certificate has expired and invite you to renew it online. This is a phishing attempt aimed at obtaining your personal and sensitive data.

Published on 3 April 2023

Duplicate of the insurance certificate

For insured persons residing abroad and not working in Switzerland

The duplicate is free of charge and will be sent by post only to the home address of a person recognised by name.

Submit your request on the eCdC eService.

Persons employed in Switzerland must contact the compensation office to which their employer pays social security contributions.