Except where jury tampering is being investigated by the proper authorities, a juror shall not be required to answer to any person concerning the manner in which the jury reached its verdict or why it was unable to agree upon a verdict.
42 Pa.C.S. § 4562
Juror's right to refuse inquiries
Known as the Judicial Code
The act spans §§ 42-101 to 42-9914 (972 sections).
Official source: Pennsylvania General Assembly. Reproduced from public-domain Pennsylvania statutes; confirm against the official source for the current text. Not legal advice.