No process, requirement of a report, inspection or other investigative act or demand shall be issued, made or enforced in any manner or for any purpose except as authorized by law. Every person compelled to submit data or evidence shall be entitled to retain, or procure, on payment of lawfully prescribed costs, a copy or transcript thereof.
58 Pa. Code § 183.461
This section cited in 58 Pa. Code § 183.62 (relating to duties of judges); and 58 Pa. Code § 183.67 (relating to duties of starter).