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 22 June 2026

Legal bases

The main legal bases related to our activities are the following:

Internal legal bases (not available in English)

Old-age and survivors' insurance (OASI)

Disability insurance (DI)

Loss of earnings compensation (EO)

Family allowances

Ordinance on the CCO

International legal bases

Switzerland's bilateral and multilateral agreements on social security (FSIO) (not available in English)

The relevant legal bases can also be consulted in the Classified Compilation of Federal Legislation (SR) (not available in English)

Federal legislation

International legislation