Rule 4005 - Written Interrogatories(a) No party serving written interrogatories pursuant to the applicable Pennsylvania Rules of Civil Procedure shall serve upon any other party, as of right, more than fifty (50) interrogatories including interrogatories subsidiary to, or incidental to, or dependent upon, other interrogatories however the same may be grouped or combined, but the interrogatories may be served in two (2) or more sets, as long as the total number of interrogatories served does not exceed fifty (50). Each interrogatory of whatever nature shall be numbered consecutively.(b) The party interrogated may agree to service of additional interrogatories in excess of fifty (50) by written stipulation, filed of record. In the absence of such written stipulation the party undertaking the interrogation may present an application for allowance of specific additional interrogatories to the judge assigned to the case, together with a proposed order, after at least forty-eight (48) hours prior oral notice to each opposing party, or, in lieu thereof, after at least five (5) days prior written notice mailed to each opposing party, not orally noticed, at such party's address of record and the court, upon cause shown, may allow service of some or all of the additional interrogatories. The specific additional interrogatories shall be set forth verbatim and attached to said motion.Amended effective 2/12/2018 ; amended effective 7/9/2019; amended effective 3/14/2020.