Unless the governing instrument, court order, or a statute specifically directs otherwise, a bank or trust company serving as trustee, guardian, agent, or in any other fiduciary capacity may invest in any security authorized by this chapter even if that fiduciary or an affiliate of that fiduciary, as defined in [former] § 35-3-117(d) [repealed], participates or has participated as a member of a syndicate underwriting the security, if:
T.C.A. § 35-3-121