South Carolina Department of Revenue Form Instructions
- i338 I-338 — Composite Return Affidavit
- i348 I-348 — Composite Filing Instructions
- i435 I-435 — Active Trade or Business Income for Electing Partnerships (SC PTE election)
- iit-packet Individual Income Tax Packet — SC1040 Instructions (full booklet)
- sc1040 SC1040 — Individual Income Tax Return
- sc1040es SC1040ES — Individual Declaration of Estimated Tax
- sc1041 SC1041 — Fiduciary Income Tax Return
- sc1041es SC1041ES — Fiduciary Declaration of Estimated Tax
- sc1065 SC1065 — Partnership Return
- sc1065es SC1065ES — Partnership Declaration of Estimated Income Tax
- sc1120 SC1120 — 'C' Corporation Income Tax Return
- sc1120cdp SC1120-CDP — Corporation Declaration of Estimated Income Tax
- sc1120i SC1120 Instructions — 'C' and 'S' Corporation Income Tax Return (instructions)
- sc1120s SC1120S — 'S' Corporation Income Tax Return
- sc1120swh SC1120S-WH — Withholding Tax on Income of Nonresident Shareholders
- sc1120t SC1120-T — Application for Automatic Extension (Corporate)
- sc2210 SC2210 — Underpayment of Estimated Tax by Individuals, Estates, and Trusts
- sc2220 SC2220 — Underpayment of Estimated Tax by Corporations
- sc4868 SC4868 — Request for Extension of Time to File SC Individual Income Tax Return
- sc8736 SC8736 — Request for Extension of Time to File Return for Fiduciary
- st3 ST-3 — State Sales and Use Tax Return
- st3i ST-3 Instructions — State Sales and Use Tax Return (instructions)
- wh105 WH-105 — SC Withholding Tax Information Guide (instructions)
- wh1605 WH-1605 — SC Withholding Quarterly Tax Return
- wh1606 WH-1606 — SC Withholding Fourth Quarter and Annual Reconciliation