34 Pa. Code § 101.101
Upon application to the Board (petition for further appeal to the Board), or on its own motion, the Board may review an appeal which has been decided by a referee. Notice of the removal of a case to the Board shall be mailed to the last known post office address of each interested party.
The provisions of this § 101.101 adopted August 26, 1970, effective August 27, 1970, 1 Pa.B. 435.