(a) The following persons serve as nonvoting ex officio directors:
(1) the manager of the City of Frisco;
(2) the financial director of the City of Frisco; and
(3) the planning director of the City of Frisco.
(b) If an office described by Subsection (a) is renamed, changed, or abolished, the governing body of the City of Frisco may appoint another city officer or employee who performs duties comparable to those performed by the officer described by Subsection (a).