may in either case be named or act, in person or by agent or attorney, as the trustee of a security trust, either individually or as one (1) of several trustees, regardless whether one (1) or more of such other trustees qualify to serve pursuant to this section, when and only to the extent that the state, territory or District of Columbia in which such individual resides or, with respect to a corporation, when and only to the extent that the state or states, territory or territories, or District of Columbia in which such corporation is organized and has its principal place of business, grants equivalent authority to residents of this state, individuals whose principal place of employment is in this state, and corporations incorporated under the laws of this state and whose principal place of business is within this state.
T.C.A. § 66-24-123