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💡 These are reporting and tax compliance deadlines for Delaware C-Corp’s
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The Most Important Startup Tax Deadlines
- W2s to employees
- 1099s to all contractors
- Delaware Franchise Fee
- State Franchise Fees
- Federal & State Returns/Filings
- R&D Credit and Related Studies
- Municipal or City Filings
- Sales Tax
2023 Startup Tax Deadlines
- JAN 31:
- FEB 28:
- MAR 1:
- MAR 2:
- MAR 31:
- IRS ACA Compliance 1094-B, 1095-B, 1094-C and 1095-C filings are due (eFile).
- 1099s and W2s must be e-filed with the IRS by this due date.
- Quarterly Sales and Use tax filing (state dependent).
- APR 18:
- APR 30: