Rule on Venue of Actions in RTC and MTC

State the uniform rule on venue of actions in the Regional Trial Court (RTC Philippines) and the Municipal Trial Court (MTC Philippines).

Answer: All other actions may be commenced and tried where the plaintiff or any of the principal plaintiffs resides, or where the defendant or any of the principal defendants resides, or in the case of a non-resident defendant, where he may be found, at the election of the plaintiff. (Civil Procedure, Rules of Court)