This title applies to and the term "credit union" in this title means a cooperative corporation incorporated under any of the following:
(1) The act of May 26, 1933 (P.L.1076, No.260), referred to as the Credit Union Act.
(2) The act of September 20, 1961 (P.L.1548, No.658), known as the Credit Union Act.
(3) This title.