For insured persons residing abroad and not working in Switzerland
Persons who are employed in Switzerland must contact the compensation Office to which their employer pays social security contributions.
The duplicate is free and will be sent by post only to the home address of a person recognised by name.
To obtain a duplicate free of charge, please complete the form below.
The fields marked with an asterisk (*) are mandatory to respond to your request.
This form cannot be used to apply for an OASI number. Such requests cannot be made by individuals themselves. Only institutions who need it to fulfil their legal obligations are entitled to make such a request.
