S.C. Code Ann. § 23-1-150

Notwithstanding any other provision of law in effect prior to February 13, 1976, any state law or local ordinance which requires an applicant for employment as a county law enforcement officer to be a resident of the county in which he seeks employment prior to time of employment shall on such date be void and of no effect and all such applicants shall be eligible for employment if otherwise qualified regardless of the county of their prior residence.