(a) Any person acting as a trustee or in any other fiduciary capacity under § 23-51-192 may hire and compensate, as a delegate, an affiliate of the person if:
(1) Authorized by a trust or fiduciary instrument;
(2) Authorized by court order;
(3) Authorized in writing by each affected client; or
(4) The standards of § 23-51-192 are satisfied.
(b) Fees paid to an affiliate shall be competitive with fees charged by nonaffiliates that provide substantially similar services.