The current german parliement, the Bundestag, has the CSU party and together with the CDU, they are called the "Union". The CSU only exist in Bavaria and the CDU covers the other states.

. A party has to reach at least 5% to get in. Legislation has been passed to reduce the seats in the Bundestag. The CSU opposed that law and 

Resolves YES if a party called "CSU" is elected into the 21th Bundestag.

Resolves NO if CDU and CSU merge into something not called "CSU". Also resolves NO if CSU fails to achieve 5%.

Close date might be adapted to the election date.