S.C. Code Ann. § 12-37-270
As provided in Section 11-11-150, there must be credited to the Trust Fund for Tax Relief in a fiscal year an amount sufficient to pay the reimbursement provided by this section. The Comptroller General, from the Trust Fund, annually shall pay to the county treasurer of the county in which the dwelling is situate for the account of each county, school district, or special district therein a sum equal to the amount of taxes that was not collected for such county, school district, or special district by reason of the exemption provided for in Section 12-37-250 and also annually shall pay to the governing body of the municipality in which the dwelling is situate a sum equal to the amount of taxes that was not collected for such municipality by reason of the exemption provided for in Section 12-37-250. The county treasurer and municipal governing body shall furnish the Comptroller General on or before April first following the tax year, or during an extension authorized by the Comptroller General not to exceed sixty days an accounting or statement as prescribed by the Comptroller General that reflects the amount of county, municipal, school district, or special district taxes that was not collected because of the exemption. Any funds paid by the Comptroller General as the result of an erroneous or improper application must be returned to the Comptroller General for deposit in the general fund of the State.
Notwithstanding any other provisions of law, the Comptroller General shall purchase and distribute the applications for the homestead exemption and the costs must be from the Trust Fund.
The Comptroller General shall promulgate regulations as necessary to carry out the provisions of this section.