Any system of municipal fire and police civil service under Act 102 of 1944, 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 102 of 1944, as amended, which exist on the effective date of the Revised Statutes are continued in effect. Every rule, classification plan, or allocation established under Act 102 of 1944, 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amended, which is in force on the effective date of the Revised Statutes is continued in effect until it is amended or repealed by the proper authority under this Part.