73 Pa. Stat. § 2260.305 : Statutes (Unconsolidated) — TRADE AND COMMERCE — ELECTRONIC TRANSACTIONS ACT — UNIFORM ELECTRONIC TRANSACTIONS — Attribution and effect of electronic records and signatures
(a) Attribution.--An electronic record or electronic signature is attributable to a person if it was the act of the person. The act of the person may be shown in any manner, including a showing of the efficacy of any security procedure applied to determine the person to which the electronic record or electronic signature was attributable.
(b) Effect.--The effect of an electronic record or electronic signature attributed to a person under subsection (a) is determined:
(1) from the context and surrounding circumstances at the time of its creation, execution or adoption, including the parties' agreement, if any; and
(2) otherwise as provided by law.