684. The constitution or amalgamation of credit unions under the Savings and Credit Unions Act (chapter C‐4.1), the Savings and Credit Unions Act (chapter C‐4), the Savings and Credit Unions Act (Revised Statutes, 1964, chapter 293) and the Savings and Credit Unions Act (1963, 1st session, chapter 57) and the amendments thereto may not be invalidated on the ground that the credit unions recruit their members within a territory, within a group or within a territory and a group. This section is declaratory.