Any system of city civil service under Act 171 of 1940, as amended, which is in force on the effective date of the Revised Statutes, is continued in effect under the provisions of this Part. The rights of any person under Act 171 of 1940, as amended, which exist on the effective date of the Revised Statutes are continued in effect. Every rule, classification plan, allocation, or pay plan under Act 171 of 1940, as amended, which is in force on the effective date of the Revised Statutes is continued in effect until it is amended or repealed by the proper authority under this Part.
La. R.S. § 33:2394