Citizens of states with which Switzerland has not concluded an agreement on social security
You are citizen of non-signatory state and leave Switzerland permanently. You can make a Claim for refund of OASI contributions, insofar as you have paid contributions in Switzerland for at least one year.
More information on this topic is available in the leaflet 10.03 - Citizens of States with which Switzerland has not concluded an Agreement on Social Security, pages 41 to 52.