S.C. Code Ann. § 25-23-30: Employee notification requirements; employer documentation requirements.

(A) An employee shall:

(1) notify his employer of his Civil Air Patrol membership within thirty days of accepting a job with a public or private employer;

(2) within eight hours of ending participation in an emergency service operation, inform his employer of his intent to return;

(3) return to work within eighteen hours of ending participation in an emergency service operation, or at the start of his next regular workday, whichever is later; and

(4) update his employer periodically on the expected duration of any absence and expected date of return due to an emergency service operation, as possible.

(B) An employer may require an employee taking Civil Air Patrol leave to provide:

(1) for training-related leave:

(a) at least two weeks' notice of his absence;

(b) his date of return to work;

(c) approval of the employee's participation in the requested training by his Civil Air Patrol group commander or higher authority; and

(d) proof of participation, to include the dates of training, from the training provider or his designee; or

(2) for operation-related leave:

(a) as much notice as possible for expected absences due to an emergency service operation;

(b) approval of the employee's participation in the operation from his Civil Air Patrol group commander or higher authority, the incident commander, or the requesting organization; and

(c) proof of participation from the operation's leadership or his designee.