305条
法定ノ家督相続人アルトキハ被相続人ハ家督相続人ヲ指定スルコトヲ得ス但此規定ニ違ヒタル指定ト雖モ被相続人ノ死亡ノ日ニ法定ノ家督相続人アラサルトキハ有効トス
299. Where there is a legal heir to katoku the ancestor cannot nominate an heir to katoku. Nevertheless, such a nomination done in contravention of the above provision is valid, when there is no legal heir to katoku at the day of the ancestor's death.