Rule 1901.2-2 - Commencement Of Actiona. Except as provided in subsection (b), an action shall be commenced by filing with the Prothonotary a petition, setting forth a concise statement of the facts relied upon to justify the relief requested, and a prayer for the relief desired. b. Filing in the office of the Prothonotary a certified order of a Magisterial District Judge entered pursuant to L-1901.2-4.Amended effective 1/1/2022