If a person is assigned to work temporarily in a contracting state by his or her Swiss employer, it will be possible to retain social security obligations exclusively in Switzerland for a limited period. Confirmation by the compensation office is provided for the maximum period stipulated in the relevant international treaty. Assignments for longer periods must be applied for at the Federal Social Insurance Office (FSIO).
The application in case of postings, long-term postings and posting extension can be made online on the ALPS platform under "Create new posting abroad" type "posting" or at the compensation office using the form " Application to remain subject to Swiss social insurance legislation during the temporary exercise of a professional activity abroad ".
for Information on he consequences of maintaining Swiss insurance please consult the leaflets under: