The corporate powers and duties of the Richland-Lexington Riverbanks Parks District shall be exercised and performed by the Commission known as Riverbanks Parks Commission, previously created by §§ 51-13-10 to 51-13-40, and the Commission as thereby created and now existing is hereby ratified and confirmed and the members thereof shall continue to be appointed in the manner provided by §§ 51-13-10 to 51-13-40.