Rule 223.1 - Conduct Of The Jury Trial(a)(5) The trial judge or any master appointed to take testimony may, sua sponte or upon application of any party, require that prospective witnesses remain outside the room where testimony is being taken until they are called to testify, subject to the provisions of Pa. Rule of Evidence 615.(6) Before trial no attorney, party or witness shall communicate or cause another to communicate with anyone he knows to be a member of the venire from which the jury will be selected for the trial.(7) During trial no involved attorney, party or witness shall communicate with or cause another to communicate with any member of the jury.(8) After trial no attorney, party or witness shall initiate communications with or cause another to initiate communications with any member of the jury without first receiving permission from the trial judge.