An application for membership in the European Union was sent in May 1992, but not advanced since the EEA was rejected in December 1992 when Switzerland was the only country to launch a referendum on the EEA.
Permohonan keanggotaan di Uni Eropa dikirim pada bulan Mei 1992, namun tak berlanjut sejak EEA ditolak pada bulan Desember 1992 ketika Swiss menjadi satu-satunya negara yang meluncurkan referendum untuk EEA.