当とう選せん無む効こう

noun

invalidation of election; nullification of a win

Used in political and legal contexts when a candidate's election victory is declared void, often due to violations or irregularities.

• 選せん挙きょ違い反はんで当とう選せん無む効こうとなった。

  The election was invalidated due to election law violations.

• 裁さい判ばん所しょは彼かれの当とう選せん無む効こうを宣せん告こくした。

  The court declared his election null and void.