Hans Kasper, MS-CPA, PS

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Individual Income Tax Calendar

Form or Action

Due Date

Form 1040ES 4th quarter estimated payment for the prior year.
* Make this payment to avoid estimated tax penalties.

January 15th of the current year

If you did not make the Form 1040ES 4th quarter payment and you wish to avoid the estimated tax penalty on the 4th quarter payment only, then file form 1040 by this date to avoid this penalty.

January 31st

Form 1040 due date

April 15th

Form 4868 automatic extension for 4 months until August 15th to file Form 1040.
Send certified mail if taxes are due.
* Payment of taxes due must be made with the filing of the extension or penalties (1/2% per month) and interest will be assessed until the tax return if filed and the taxes are paid.
** If the extension is not filed and taxes are due, then penalties of up to 5% per month plus interest will be assessed until the tax return is filed and the taxes are paid.

April 15th

Form 1040ES 1st quarter estimated payment for the current year.
* Make this payment to avoid estimated tax penalties.

April 15th

Last day for the IRS to receive the tax return that you should have filed 3 years ago for you to receive a refund on that return.
* Notice that this date is for the IRS to receive the return in their hands and NOT for you to put it into the mail.
** Here is the rule: If you do not file (see above sentence) a tax return within 3 years from the original due date, then you will lose your refund.

April 15th

Form 1040ES 2nd quarter estimated payment for the current year.
* Make this payment to avoid estimated tax penalties.

June 15th

Form 4868 automatic extension lapses
* If this time period lapses by as little as one day and Form 2688 is not filed, then the first extension is treated as having never been filed and all of the penalties apply retroactive back to April 15th.

August 15th

Form 2688 second extension for 2 months until October 15th to file Form 1040.
Send certified mail if taxes are due.
*  See line above

August 15th

Form 1040ES 3rd quarter estimated payment for the current year.
* Make this payment to avoid estimated tax penalties.

September 15th

Form 1040 - final date to file and pay tax.
* If this time period lapses by as little as one day and Form 1040 is not filed, then the first and second extensions are treated as having never been filed and all of the penalties apply retroactive back to April 15th.
** Therefore, file the return even if you cannot pay the taxes.  Why?  Because, only the 1/2% penalty (failure to pay tax) and interest will apply and not the 5% penalty (failure to file).

October 15th

Form 1040ES 4th quarter estimated payment for the current year.
* Make this payment to avoid estimated tax penalties.

January 15th of the next year

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