If the majority of the members of a retirement or pension plan or fund voted to enter the System in the manner described in Section 9-1-450, the local plan or fund was discontinued and the payment of all pensions to members on the pension roll as of the date of discontinuance became and is an obligation of the city, county or other unit in which the plan or fund was operated and shall be continued and paid by such city, county or other unit.
S.C. Code § 9-1-460