The CDU and CSU are legally and organisationally separate parties; their ideological differences are sometimes a source of conflict. The most notable and serious such incident was in 1976, when the CSU under Franz Josef Strauß ended the alliance with the CDU at a party conference in Wildbad Kreuth. This decision was reversed shortly thereafter when the CDU threatened to run candidates against the CSU in Bavaria.
The CDU and CSU are legally and organisationally separate parties; their ideological differences are sometimes a source of conflict. The most notable and serious such incident was in 1976, when the CSU under Franz Josef Strauß ended the alliance with the CDU at a party conference in Wildbad Kreuth. This decision was reversed shortly thereafter when the CDU threatened to run candidates against the CSU in Bavaria.