Tax Deadlines, Reminders and New Fraud Reporting Page
March has arrived and we want to provide upcoming dates for tax deadlines and reminders taking place in 2026.
S Corporations, Partnerships, LLCs
The deadline to file a return or file an extension for S Corporations, Partnerships and LLCs is Monday, March 16, 2026. Keep in mind if you owe taxes and file an extension, you must estimate and pay any taxes due by the March 16th deadline to avoid penalties. If you file an extension, the extended deadline to file your return is Tuesday, September 15, 2026.
C Corporations, Sole Proprietors
The deadline to file a return or file an extension for Corporations and Sole Proprietors is Wednesday, April 15, 2026. An estimated payment of any tax owed is required on April 15th whether you file on time or file for an extension, which will be due on Thursday, October 15, 2026.
Individuals
The deadline to file a tax return and pay any taxes owed for individuals is Wednesday, April 15, 2026. If you file an extension, an estimated payment of taxes owed is still due on April 15th and the extension is due on Thursday, October 15, 2026.
Quarterly Estimated Tax Payment Due Dates
The IRS provides the following explanation for estimated tax purposes. The year is divided into four payment periods. Each period has a specific payment due date. If you don’t pay enough tax by the due date of each payment period, you may be charged a penalty even if you’re due a refund when you file your income tax return at the end of the year.
You may pay online, by phone or from your mobile device using the IRS2Go app. Visit Make a payment to view all payment options.
| Payment Period | Due Date |
| January 1 – March 31, 2026 | April 15, 2026 |
| April 1 – May 31, 2026 | June 15, 2026 |
| June 1 – August 31, 2026 | September 15, 2026 |
| September 1 – December 31, 2026 | January 15, 2027 |
Where’s My Refund
Once your tax return is filed, you may check the status of your refund with the Where’s My Refund tools on the IRS website. To check your refund, please click here.
New Fraud Reporting Page on IRS Website
On February 26, 2026, the IRS launched a new web page to streamline reporting of tax fraud, scams, identity theft, fake IRS messages or to report a tax return preparer who file a fraudulent return without your consent. The IRS wants you to report this information as soon as possible so they may investigate and stop any illegal activities.
Visit https://www.irs.gov/help/report-fraud to report fraud directly to the IRS.
Should you have questions on this or other matters affecting you or your business, please call 215.675.8364 or email us to speak with a CPA today.
DISCLAIMER: All communications by Wouch, Maloney & Co., LLP intend to provide general information, as of the date of the communication, and may reference information from reputable sources. Although our firm has made every reasonable effort to ensure that the information provided is accurate, we make no warranties, expressed or implied, on the information provided. Please be aware that this is not a comprehensive analysis of the subject matter covered and is not intended to provide specific recommendations to you or your business with respect to the matters addressed.
