Administrative Litigation Act Article 42
If the administrative court considers that a third party's rights or legal interests would be jeopardized as a result of the litigation of revocation, the court may ex officio order such third party to intervene in the litigation as an independent intervener, and may grant the motion for intervention by such third party.Paragraph 3 of Article 39 shall apply mutatis mutandis to intervention prescribed in the preceding Paragraph. The intervener may raise independent means of attack or defense.The preceding two Paragraphs shall apply mutatis mutandis to other types of litigations.If a litigation of revocation has been filed by the administrative appellant to the administrative court, and the person who has interests in the litigation initiates another litigation for the same case, such litigation shall be regarded as intervention as prescribed in Paragraph 1.
中文原文 行政訴訟法第42條
行政法院認為撤銷訴訟之結果，第三人之權利或法律上利益將受損害者，得依職權命其獨立參加訴訟，並得因該第三人之聲請，裁定允許其參加。
前項參加，準用第三十九條第三款規定。
參加人並得提出獨立之攻擊或防禦方法。
前二項規定，於其他訴訟準用之。
訴願人已向行政法院提起撤銷訴訟，利害關係人就同一事件再行起訴者，視為第一項之參加。
前項參加，準用第三十九條第三款規定。
參加人並得提出獨立之攻擊或防禦方法。
前二項規定，於其他訴訟準用之。
訴願人已向行政法院提起撤銷訴訟，利害關係人就同一事件再行起訴者，視為第一項之參加。