Each taxpayer shall submit a request for the credit to the Department of Revenue by January thirty-first for qualifying expenses incurred in the previous calendar year and the Department of Revenue must notify the taxpayer that the submitted expenditures qualify for the credit and the amount of credit allocated to such taxpayer by March first of that year. A taxpayer may claim the maximum amount of the credit for its taxable year which contains the December thirty-first of the previous calendar year.
S.C. Code § 12-6-3588
2014 Act No. 279, Section 1.B, provides as follows:
"B. This section takes effect upon approval by the Governor and applies to tax years beginning after 2013."