S.C. Code Ann. § 12-15-40: Income tax allocation and apportionment agreement authorization.

In the case of a taxpayer establishing a facility meeting the requirements of Section 12-15-20, the South Carolina Department of Revenue, in its discretion, may enter into an agreement with the taxpayer pursuant to Section 12-6-2320 for a period not to exceed fifteen years if the facility otherwise meets the requirements of that section.