Arkansas Code Title 14. Local Government § 14-42-110. Removal and appointment power

(a)(1) Mayors in cities of the first class and second class and incorporated towns shall have the power to appoint and remove all department heads, including city and town marshals when an ordinance has been passed making city and town marshals appointed, unless the city or town council shall vote by a two-thirds majority of the total membership of the council to override the mayor’s action.

(2) Provided, however, that in cities of the first class and second class with civil service commissions, the governing body of the city may delegate by ordinance the authority to appoint and remove the heads of the police and fire departments to the city's civil service commission.