South Carolina R&D Tax Credit Summary

R&D Tax Credit Available:


Eligible Entities:

C-Corporation, S-Corporations, LLCs, Partnerships

Deadline for Tax Filing:

Due with South Carolina Tax Return

Data Required to Compute Credit:

Claim Period South Carolina Qualified R&D Expenses (QREs)

Credit Carryforward:

10 Years

R&D Credit Summary:

The R&D tax credit equals 5% of qualified South Carolina research expenditures.

Special Notes:

  • The credit cannot exceed 50% of a taxpayer’s liability.
  • For a taxpayer to qualify for the credit, the taxpayer must claim a federal income tax credit pursuant to Internal Revenue Code §41 for increasing research activities for the taxable year.
Research Tax Credit
Important Links and Forms

Form SC SCH TC-18
South Carolina DOR

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