226条
婚姻ニ由ル縁組ニ於テハ婚姻ノ無効ハ当然縁組ノ無効ヲ帯有ス然レトモ縁組ノ無効ハ婚姻ノ無効ヲ帯有セス
133. With regard to the adoption of a mukoyoshi, the parties can demand the nullity of the marriage or adoption for the cause of the nullity of the adoption or marriage pronounced by the Court. Such right of action is lost when three months have elapsed after such nullity was pronounced.