Within each group, the teams would play a double round-robin to decide their league position.
The four group winners and the four runners-up then contested a play-off for the three promotion slots.
The four third-last placed teams would compete a play-out against the ninth relegation spot.
Played on 2 June 1992 at Stade des Chézards in Colombier.
Played on 2 June 1992 at Paul-Grüninger-Stadion in St. Gallen FC Wil win and advance to play-offs.
[9] SC Bümpliz 78 win after penalty shoot-out and are promoted to 1992–93 Nationalliga B.