Deadline reminders › South Carolina
South Carolina · SCWe track 7 South Carolina deadlines plus 17 federal ones, and email you before each one that applies to your business.
Every row links to the agency that sets the deadline. Answer a few questions once and only the ones that apply to your business are scheduled.
| Deadline | Who it hits | When | Official source |
|---|---|---|---|
| South Carolina annual report (Schedule D with SC1120) - C corporation | South Carolina C corporations filing the SC1120 corporate income tax return | Every April 15 | South Carolina Department of Revenue - corporate tax FAQs |
| South Carolina annual report (Schedule D with SC1120S) - S corporation | South Carolina S corporations filing the SC1120S return, including LLCs that elected S corporation treatment | Every March 15 | South Carolina Department of Revenue - corporate tax FAQs |
| South Carolina sales and use tax return | Any business holding a South Carolina Retail License | Every January 20 | South Carolina Department of Revenue - sales tax |
| South Carolina quarterly wage report - Q1 | Any South Carolina employer with covered employees | Every April 30 | South Carolina Department of Employment and Workforce - file a wage report |
| South Carolina quarterly wage report - Q2 | Any South Carolina employer with covered employees | Every July 31 | South Carolina Department of Employment and Workforce - file a wage report |
| South Carolina quarterly wage report - Q3 | Any South Carolina employer with covered employees | Every October 31 | South Carolina Department of Employment and Workforce - file a wage report |
| South Carolina quarterly wage report - Q4 | Any South Carolina employer with covered employees | Every January 31 | South Carolina Department of Employment and Workforce - file a wage report |
Plus 17 federal deadlines: estimated taxes, the annual return matched to your entity, and the employer filings if you hire.
These are the official pages behind the deadlines above. Always confirm a requirement with the agency itself.
Entity type, filing frequency, license dates, whether you have employees or subs. Two minutes, changeable anytime.
Only the South Carolina and federal deadlines that apply to your business, each with the official agency link.
You pick the lead time (default 14 days). The email says what is due, when, and where to file. That is the whole product.
Contractor Lane sends informational reminders with official source links. It is not legal, tax, licensing, insurance, or accounting advice, and it does not file anything for you. You remain responsible for every filing. Deadlines change — confirm with the agency.
We track 7 South Carolina deadlines plus 17 federal ones, and email you before each one that applies to your business.
No. The South Carolina-specific reminders only fire if they apply to your business. Every South Carolina small business gets the federal layer regardless of trade.
No, and that's deliberate. It reminds you ahead of each deadline with the official source link. You (or your bookkeeper) file. It replaces the sticky note, not the CPA.
One button on your settings page. It cancels in Stripe immediately, no email chains, no phone call.