What is due date for US tax returns filing?

For the 1040 individual income tax return April 15, 2010 with an extension October 15 2010.

Any income tax that would be due and not paid by the April 15 due date will be charged the penalties and interest until the past due amounts are paid.

if a person is partner in partnership firm he has to attach form K1.

For other tax forms go to the IRS gov web site and use the search box for DUE DATE FOR FILING TAX FORMS or go to the instruction for the Tax form that you want to know about to find the due for filing them.

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