S.C. Code Ann. § 12-6-1110 – Modifications of gross, adjusted gross, and taxable income calculated under Internal Revenue Code; federal Section 1354 elections

(A) For South Carolina income tax purposes, gross income, adjusted gross income, and taxable income as calculated under the Internal Revenue Code are modified as provided in this article and subject to allocation and apportionment as provided in Article 17 of this chapter.
(B) If a taxpayer has made an election pursuant to Internal Revenue Code Section 1354 to be taxed under the provisions of Section 1352-1359 of the Internal Revenue Code, Election to Determine Taxable Income from Certain International Shipping Activities, the election is not effective for South Carolina income tax purposes, and the taxpayer is taxed in accordance with this chapter as though no federal Section 1354 election has been made.