S.C. Code Ann. § 39-14-40: Compensation; payment in installments.

If a local governing body requires the removal of an off-premises outdoor advertising sign pursuant to the provisions of this chapter and through a voluntary agreement, arbitration, or a court proceeding is required to pay just compensation to a sign owner, the local governing body is authorized to elect to pay the amount due to the sign owner in regular mutually agreed upon installments over three years before the final removal of the sign.