S.C. Code § 57-25-145
2006 Act No. 235, Section 6, provides as follows:
"This act takes effect upon approval by the Governor. Nothing in this act preempts or otherwise alters, modifies, applies to, or effects relocation or removal of any off-premises outdoor advertising signs pursuant to an ordinance or regulation enacted by a local governing body prior to April 14, 2005. It is the intent of the General Assembly that nothing in this act may be construed to require the payment of monetary compensation for any off-premises outdoor advertising signs relocated or removed pursuant to an ordinance enacted before the effective date of this act unless the ordinance otherwise requires the payment of monetary compensation."