Subject to the Uniform Prudent Investor Act (§ 64.2-780 et seq.) and the common law duties of a fiduciary, unless the governing instrument or a court order specifically directs otherwise, a bank or trust company serving as personal representative, trustee, guardian, agent, or in any other fiduciary capacity, may purchase during the existence of any underwriting or selling syndicate any state or municipal security otherwise authorized by this title in spite of the fact that the fiduciary, or an affiliate thereof under common ownership, participates or has participated as a member of a syndicate underwriting such security if the fiduciary purchases the security from another syndicate member or from an affiliate thereof and not from itself or any of its affiliates.