S.C. Code § 17-15-20
2012 Act No. 286, Sections 4, 5, provide as follows:
"SECTION 4. The provisions of Section 1 of Act 115 of 2012 which amended Section 17-15-20 of the 1976 Code and allow sureties to be relieved of an appearance bond under certain designated circumstances are retroactive and apply to all existing and future appearance bonds.
"SECTION 5. Except as provided in SECTION 4, the repeal or amendment by this act of any law, whether temporary or permanent or civil or criminal, does not affect pending actions, rights, duties, or liabilities founded thereon, or alter, discharge, release or extinguish any penalty, forfeiture, or liability incurred under the repealed or amended law, unless the repealed or amended provision shall so expressly provide. After the effective date of this act, all laws repealed or amended by this act must be taken and treated as remaining in full force and effect for the purpose of sustaining any pending or vested right, civil action, special proceeding, criminal prosecution, or appeal existing as of the effective date of this act, and for the enforcement of rights, duties, penalties, forfeitures, and liabilities as they stood under the repealed or amended laws."