Except as otherwise provided by law, a deputy sheriff possesses all of the powers and authority granted by law to the sheriff, and may perform any of the duties and exercise any of the functions of the sheriff.
Deputy sheriffs and other employees of the sheriff are subject to his direction and supervision, and shall perform the duties assigned to them by law, and by the sheriff.
The sheriff is responsible for the performance or nonperformance of their official duties by his deputies and other employees.
La. C.P. § 331