If you are self-employed or have other fourth-quarter income that requires you to pay quarterly estimated taxes, get them postmarked by January 15 tax deadline.

Individual and Corporate Tax Returns Due for Tax Year 
If you haven’t applied for an extension, e-file or postmark your individual tax returns by midnight July 15.

Individual and Corporate Tax Return Extension Form Due for Tax Year
Need more time to prepare your tax return? File your request for a tax extension by July 15 to push your tax deadline back to October 15.

1st QuarterEstimated Tax Payment Due
If you are self-employed or have other first-quarter income that requires you to pay quarterly estimated taxes, get your Form 1040-ES postmarked by July 15 tax deadline.

Last Day to make a IRA Contribution
If you haven’t already funded your retirement account for 2019, do so by July 15. That’s the deadline for a contribution to a traditional IRA, deductible or not, and a Roth IRA. However, if you have a Keogh or SEP and you get a filing extension to October 15 you can wait until then to put 2019 money into those accounts.

3rd Quarter Estimated Tax Payment Due
If you are self-employed or have other third-quarter income that requires you to pay quarterly estimated taxes, make sure your third quarter payment is postmarked by Sept. 15 tax deadline.

Extended Business Tax Returns Due for Tax Year
If you got a filing extension on your S-Corporation, Partnership, or LLC tax return, you need to get it completed and e-filed or postmarked by September 15.

Corporate Tax Returns Due for Tax Year ending June 30
If you haven’t applied for an extension, e-file or postmark your tax returns by midnight September 15
Need more time to prepare your tax return? File your request for a tax extension by March 15 to push your tax deadline back to September 15.