As used in this article:
a. "Banking institution" includes State chartered banks and national banking associations;
b. "Bank holding company" means a bank holding company as defined in the Bank Holding Company Act of 1956 (Act of May 9, 1956, 70 Stat. 1933, 12 U.S.C. 1841 et seq.) as amended by the Bank Holding Company Act Amendments of 1970 (Act of December 31, 1970, 84 Stat. 1760).