Penn. 37 C.P.L. 579
As amended through January 1, 2018
Except as otherwise provided in these rules, an omnibus pretrial motion for relief shall be filed and served within thirty (30) days after arraignment, unless opportunity therefor did not exist or the defendant, defense counsel, or the attorney for the Commonwealth was not aware of the grounds for the motion or the time for filing has been extended by the Court for cause shown.
Penn. 37 C.P.L. 579