補ほ助じょ参さん加か

noun

auxiliary intervention

Legal term: a third party joins an existing lawsuit to support one side, without becoming a full party. Used in civil procedure contexts.

• 被ひ告こく側がわに補ほ助じょ参さん加かする企き業ぎょうが現あらわれた。

  A company appeared to intervene in support of the defendant.

• 民みん事じ訴そ訟しょう法ほうでは補ほ助じょ参さん加かの要よう件けんが定さだめられている。

  The requirements for auxiliary intervention are stipulated in the Code of Civil Procedure.