(b) (1) The chair of the Board shall designate a substitute member to serve:

(i) when a regular member is absent or incapacitated for any reason; or

(ii) if a vacancy is created.

(2) A substitute member shall serve until the regular member’s incapacity or absence ends or the vacancy is filled.

(c) While serving on the Board, a substitute member has all the powers and duties of a regular member.

(d) (1) Subject to paragraph (2) of this subsection, a substitute member shall receive a per diem salary set by the Board for each day served.

(2) The salary of a substitute member may not exceed the daily salary of a regular member.