72 Pa. Stat. § 711
Every bank and every savings institution having capital stock, incorporated by or under any law of this Commonwealth, or under any law of the United States and located within this Commonwealth, shall, on or before the fifteenth day of April, in each year, report to the Department of Revenue the full number of the shares of its capital stock subscribed for or issued, and the actual value thereof as of the preceding thirty-first day of December, which actual value shall be ascertained in the manner provided by law. Every such bank and savings institutions at the time of making every report required by this section, shall compute and pay to the department the tax due the Commonwealth upon such actual value of the shares of its capital stock.
72 P.S. § 711