25 Pa. Stat. § 3059
No official ballot shall be taken from any book of ballots, except by an election officer or clerk when a person desiring to vote has been found to be a qualified elector entitled to vote. Not more than one ballot shall be removed at any one time or given to an elector, except in the case of a spoiled ballot as provided by this act. No person other than the election officers shall take or remove any ballot from the polling place. No ballot without the official endorsement shall, except as herein otherwise provided, be deposited in the ballot box, and no other ballots shall be counted. If any ballot appears to have been obtained otherwise than from the county board as provided by this act, the same shall not be counted, and the judge of election shall transmit such ballot to the district attorney without delay, together with whatever information he may have regarding the same.
25 P.S. § 3059