S.C. Code Ann. § 39-39-135: Refrigeration.

(A) Shell egg producers shall refrigerate eggs upon gathering the eggs. Eggs must be graded and packed within a reasonable period of time from gathering.

(B) After washing, processing, and packaging, eggs must be transported, stored, and displayed at ambient temperatures not to exceed forty-five degrees Fahrenheit until sold at retail or used by a commercial establishment or public institution.