Sollenberger v. Lee, Prothonotary - Commonwealth Court - June 8, 2007
http://www.courts.state.pa.us/OpPosting/CWealth/out/82CD07_6-8-07.pdf
"The prothonorary is not an administrative officer who has the discretion to interpret or implement rules or statutes....Therefore if documents tendered for filing are proper on their face and in conformity with rules of court, a prothonotary does not have the discretion to refuse to enter them...."