(4) The board shall designate one of its members on a permanent or rotating basis to:

1. (a) assist the division in reviewing complaints concerning the unlawful or unprofessional conduct of a licensee; and
2. (b) advise the division in its investigation of these complaints.

(5) A board member who has, under Subsection (4), reviewed a complaint or advised in its investigation may be disqualified from participating with the board when the board serves as a presiding officer in an adjudicative proceeding concerning the complaint. The board member may be disqualified:

1. (a) on his own motion, due to actual or perceived bias or lack of objectivity; or
2. (b) upon challenge for cause raised on the record by any party to the adjudicative proceeding.