Business owner reviewing tax dates.
taxes

2023 tax dates and deadlines you need to know for a successful year

It seems that tax season has a way of sneaking up on us every year. Avoid scrounging for old receipts and scrambling to reconcile your books while trying to run a business by familiarizing yourself with important tax dates and deadlines early on. 


Planning for the long term can feel daunting, especially when it comes to filing taxes for your small business. But this year will be different because you’ll be ready. We’ll show you how.


The key to staying on top of it all is to start now. Planning for the interim IRS due dates can ensure you’re on track and ready to close out your year. That’s why we’ve created a 2023 tax calendar. Use it to minimize your risk of accruing unnecessary penalties and interest costs.

2023 tax date overview: When is tax season?

The 2023 tax season officially begins on January 23, 2023, and ends on April 18, 2023, unless you apply for an extension before the filing deadline. The exceptions to this rule include:


  • Partnerships (including Multi-Member LLCs)
  • S Corporations


These business structures must file Form 1065 or 1120S by March 15, 2023, if they adhere to the calendar year instead of a fiscal year.


You must also adhere to additional business tax dates throughout the year, such as quarterly payments.


Take a look at our tax calendar for more information on important upcoming deadlines.

Downloadable 2023 tax date calendar

Keep up with filing dates and deadlines with our free downloadable tax calendar. Complete with due dates and essential IRS forms, you’ll have everything you need to file your business and individual taxes in 2023.

Estimated tax payment and quarterly tax dates

Small business owners, contractors, freelancers, gig workers, and anyone who operates a business where taxes aren’t automatically withheld must pay quarterly


These payments ensure that the individual or business pays a large percentage of the estimated tax liability during the year rather than in one payment when filing the tax return.

When are business taxes due?

For Individuals and C Corporations with a calendar year-end, the 2023 business tax filing deadline is April 18, 2023. For C Corporations with a fiscal year-end, the due date is on the 15th day of the 4th month after the end of the corporation’s tax year. However, a corporation with a fiscal tax year ending June 30 must file by the fifteenth day of the 3rd month after the end of its tax year. 


For S corporations and Partnerships, the 2023 business tax filing deadline is March 15, 2023. For C Corporations with a fiscal year-end, your tax return will be due on the fifteenth day of the third month following the end of your standard tax year.


Note: Only sole proprietors and calendar year C corporations can file their taxes by Oct. 16, 2023, without paying any late fees if the IRS grants them an extension. Meanwhile, the filing deadline for S corporations and Partnerships only extends to Sept. 15, 2023.

January 2023 tax dates and deadlines

March 2023 tax dates and deadlines

April 2023 tax dates and deadlines

September 2023 tax dates and deadlines

October 2023 tax dates and deadlines

Tax filing extension deadlines

File Form 4868 to apply for an income tax return extension.

If you need to request an individual tax extension, you must e-file or mail in your request by April 18, 2023. People experiencing the following circumstances may have special rules that don’t apply to the general public. 

U.S. armed forces 

If you were deployed in a combat zone in 2022, you may qualify for a tax filing extension. As a rule of thumb, you have up to 195 days following your final day of service to file any individual and business tax returns. 


These special rules may vary among service members, so review the IRS’s combat zone tax filing guidelines and discuss any questions you may have with your tax advisor.

Disaster relief

Individual filers in FEMA disaster areas can mail in a request before May 15, 2023, to file their federal tax return late using Form 4868. Please review FEMA's list of disaster situations to determine if you or your business qualify for an extension. 

Tax refund dates: When will I receive my tax return?

Unless the IRS flags your business tax return for a review, you should receive any refunds in 21 days or less. Depending on when you file, your refund could appear in your bank account as soon as January. Or you can choose to receive your refund via check or to an account associated with a reloadable prepaid card. 


Just keep in mind that if you file your return by mail, it may take longer to receive your refund than if you were to e-file.


If you want to keep tabs on the status of your tax refund, you can visit the IRS website to look as soon as 36 hours after you e-file.

Tax planning process

Start tax planning early to ensure you have time to meet with your tax advisor, formulate a plan to reduce your tax liability, and adhere to tax regulations. Ideally, you’d have a clear tax plan before heading into the new year. 


Here are some action items to keep in mind for tax preparation:


  • Meet with your CPA to discuss deadlines, deductions, and any outstanding questions about tax filing
  • Gather payroll information, financial statements, and receipts for business expenses
  • Organize federal (and state, if applicable) tax returns
  • Prepare W-2s and 1099s


You can input new alerts into your calendar software, or write the dates in your planner.

Organize payroll and simplify your taxes 

Proper tax planning requires you to submit tax documents on various due dates. Start this process by checking with your CPA to confirm the due dates and prep for the upcoming tax year.


Create a system to remind you when these dates are coming up, and include enough lead time to file the tax documents in a timely manner. You can input new alerts into your calendar software, write the dates in your planner, or download our 2023 tax calendar to stay on top of deadlines.

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