A. Notwithstanding any provision of law to the contrary, the position of assistant chief of police in the municipalities of Broussard, Carencro, Scott, and Youngsville shall be in the unclassified service. The right of selection, appointment, supervision, and discharge for the position shall be vested in the chief of police of the city.
B. Any person who is appointed from a position in the classified police service to serve as assistant chief of police shall not forfeit his seniority accumulated to the date of his appointment and shall continue to accumulate seniority during the time he holds the position of assistant chief of police.