- September 15 — Individuals
Make a payment of your 2021 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the third installment. If you need assistance or clarity reach out to your tax advisor.
- September 15 — S Corporations
File a 2020 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you timely requested an automatic extension on or before March 15, 2021
- September 15 — Partnerships
File a 2020 calendar year return (Form 1065). This due date applies only if you were given an additional extension
- September 15 — Corporations
Deposit the third installment of estimated income tax for 2021
- October 15 — Individuals
If you have an automatic extension to file your income tax return for 2020, file Form 1040 and pay any tax, interest, and penalties due.
- December 15 — Corporations
Deposit the fourth installment of estimated income tax for 2021
Give us a call if you or someone you know hasn’t filed their return or if you are a corporation or file a Schedule C to discuss your options.