The provisions of Sections 53-1-40 to 53-1-80 shall not be applicable to or affect the carrying on of any business or the rendering of any service which was lawful on April 7, 1962.
Prohibitions on Sunday work and sales may not affect certain businesses
S.C. Code Ann. § 53-1-90, under Title 53, Chapter 1.
S.C. Code Ann. § 53-1-90