If your corporation follows a calendar year, your estimated corporate tax payments are due April 15, June 15, September 15, and December 15. If the date falls on a Saturday, Sunday, or legal holiday, payment is due the next business day.
If you have completed your tax return, locate your estimated tax due in TaxACT by following these steps:
If you have not completed your tax return, calculate your estimated tax due by following these steps:
See the IRS Instructions for Form 1120-W for additional information about making estimated tax payments.
Note: If you are an S corporation expecting to owe federal tax of $500 or more on your 1120S return, you may be required to make estimated tax payments. S corporations traditionally do not pay income tax. However, if you are a pass-through entity, you may be required to pay tax on LIFO (last in first out) recapture, capital gains, or built-in gains. For more information, see the IRS Instructions for Form 1120S.