Conn. Practice Book § 9-3 — Joinder of Parties and Actions; Interested Persons as Plaintiffs

All persons having an interest in the subject of theaction,andinobtaining thejudgment demanded, may be joined as plaintiffs, except as otherwise expressly provided; and, if one who ought to be joined as plaintiff declines to join, such person may be made a defendant, the reason therefor being stated in the complaint. (See General Statutes § 52-101 and annotations.)