Compulsory joinder

(a) Persons having only a joint interest in the subject matter of an action must be joined on the same side as plaintiffs or defendants. (b) If a person who must be joined as a plaintiff refuses to join, he or she shall, in a proper case, be made a defendant or an involuntary plaintiff when the substantive law permits such involuntary joinder. Source The provisions of this Rule 2227 adopted June 7, 1940, effective February 5, 1941; amended April 18, 1975, effective immediately, 5 Pa.B. 1820; amended April 12, 1999, effective July 1, 1999, 29 Pa.B. 2274. Immediately preceding text appears at serial page (190595). (b) If a person who must be joined as a plaintiff refuses to join, he or she shall, in a proper case, be made a defendant or an involuntary plaintiff when the substantive law permits such involuntary joinder. Source The provisions of this Rule 2227 adopted June 7, 1940, effective February 5, 1941; amended April 18, 1975, effective immediately, 5 Pa.B. 1820; amended April 12, 1999, effective July 1, 1999, 29 Pa.B. 2274. Immediately preceding text appears at serial page (190595). Source The provisions of this Rule 2227 adopted June 7, 1940, effective February 5, 1941; amended April 18, 1975, effective immediately, 5 Pa.B. 1820; amended April 12, 1999, effective July 1, 1999, 29 Pa.B. 2274. Immediately preceding text appears at serial page (190595).