S.C. Code § 56-37-50
In computing the total number of points levied against any dealer after a particular violation, those accrued as a result of violations during the twelve-month period including and immediately preceding the last violation must be counted at their full value. Those accrued from twelve to twenty-four months preceding the last violation must be counted at one-half their established value, and those resulting from violations which occurred more than twenty-four months prior to the last violation must not be counted.
S.C. Code § 56-37-50
2023 Act No. 51, Section 40(D), provides as follows:
"[SECTION 40.](D) SECTIONS 15 through 28 take effect on January 1, 2024. Any dealership applying for or renewing licenses, or operating on a currently issued license on or after January 1, 2024, is subject to the provisions of SECTIONS 15 through 28."