La. Stat. tit. 33 § 4545.4.1
In addition to the appointment of a director by the mayor of each municipality that becomes a member, the mayor of each such municipality may also appoint an alternate director to the board of directors of the authority, which appointment is also subject to approval by the governing authority of said municipality. Each such alternate director shall have the same qualifications and shall serve for the same term as the director from the same municipality, and such alternate shall have the same rights, duties, powers and responsibilities as the director. However, an alternate director may act as director at meetings only in the absence of the director from the same municipality, and an alternate director may not serve as an officer of the board of directors of the authority. Any alternate director shall serve at the pleasure of the appointing authority, and the procedure for removing an alternate director shall be the same as is required for removing a director.
La. R.S. § 33:4545.4.1