S.C. Code Ann. § 49-27-70
(A) A copy of the joint ordinance creating the commission and of any joint ordinance amending or repealing the joint ordinance creating the commission must be filed with the Executive Director of the North Carolina Wildlife Resources Commission and the Director of the South Carolina Department of Natural Resources. When the directors receive ordinances that are in substance identical from all three counties concerned, they, in accordance with procedures agreed upon, shall, within ten days, certify this fact and distribute a certified single ordinance text to the following: