231 Pa. Code Rule 1555 – Pleading More Than One Cause of Action.

(a) The plaintiff may state in the complaint causes of action for the partition of all or any part of any properties in which the plaintiff and the defendants are co-tenants, irrespective of their location in the Commonwealth or of the proportion of the plaintiff’s interest in the several properties.
(b) If the rights of all the parties are derived from a common source of title, causes of action may be joined even though one or more of the defendants are co-tenants of less than all the properties.

Source

The provisions of this Rule 1555 adopted April 26, 1955, effective November 1, 1955; amended April 12, 1999, effective July 1, 1999, 29 Pa.B. 2274. Immediately preceding text appears at serial pages (223286) to (223287).