Individual Tax Returns
The standard filing deadline for Form 1040 (individual tax returns) is April 15, 2024. However, residents of Maine and Massachusetts have until April 17, 2024, due to the Patriots' Day holiday.
If you need more time, you can request an automatic extension using Form 4868, which gives you until October 15, 2024. Remember that an extension of time to file is not an extension of time to pay, and you must estimate and pay any taxes owed by April 15 to avoid penalties.
Business Tax Returns
| Business Type | Due Date | Extension Deadline |
|---|---|---|
| Partnerships (Form 1065) | March 15, 2024 | September 16, 2024 |
| S-Corporations (Form 1120-S) | March 15, 2024 | September 16, 2024 |
| C-Corporations (Form 1120) | April 15, 2024 | October 15, 2024 |
Quarterly Estimated Tax Payments
For self-employed individuals and those who need to make quarterly payments:
- Q1 Payment: April 15, 2024
- Q2 Payment: June 17, 2024
- Q3 Payment: September 16, 2024
- Q4 Payment: January 15, 2025
Important Forms and Deadlines
January 31, 2024
- W-2 forms must be sent to employees
- 1099-NEC forms for independent contractors due
- Other 1099 forms due February 28, 2024 (paper) or March 31, 2024 (electronic)
Retirement Account Contributions
You have until the tax filing deadline (April 15, 2024) to make 2023 contributions to your:
- Traditional IRA
- Roth IRA
- SEP IRA
- Health Savings Account (HSA)
Special Circumstances
Natural Disaster Areas
The IRS often provides extended deadlines for taxpayers affected by natural disasters. Visit the IRS disaster relief page for updates.
Military Personnel
Active duty military personnel serving in a combat zone typically have 180 days after leaving the combat zone to file returns and pay taxes.
Tips for Staying on Track
- Set digital calendar reminders for each deadline
- Organize documents, such as W-2s, 1099s, and receipts
- Create a tax preparation checklist
- Schedule appointments with tax professionals well in advance
- Keep copies of all filed documents
Resources
- IRS Tax Calendar for Businesses and Self-Employed
- IRS Form 1040 Instructions
- California Franchise Tax Board
- New York Department of Taxation and Finance
- Texas Comptroller
Understanding Penalties
Missing tax filing deadlines can result in penalties and interest on the amount of tax owed. The IRS charges a penalty of 5% of the unpaid taxes for each month or part of a month a tax return is late, up to a maximum of 25%. Additionally, interest accrues on the unpaid tax from the original due date.
Remember to consult with a qualified tax professional for advice specific to your situation, as tax laws and deadlines may change.