Subdivision A does not limit:
(a) a law of the Commonwealth, or any principles or rules of the common law or equity relating to:
(i) the duty or liability of a person because of his or her position or employment in relation to a Commonwealth entity; or
(ii) conflicts of interest; and
(b) any provision in any enabling legislation for a Commonwealth entity that restricts an official of the entity from:
(i) having a material personal interest in a matter; or
(ii) holding an office or possessing property;
involving duties or interests that conflict with his or her duties or interests as an official.