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The Daily Insight

What are the dates used to determine your taxable income each year?

Author

John Thompson

Published Feb 19, 2026

Individuals are subject to a calendar tax year beginning Jan. 1 and ending Dec. 31. Tax returns in the U.S. are usually due on April 15 of the following year covering the calendar year period.

When must a corporate taxpayer with fiscal year ending May 31 file annual ITR?

Only corporations with fiscal years ending December 31 have to file their annual ITRs every April 15. Corporations have the option of following a fiscal year different from the calendar year.

What is the due date for fiscal year corporate tax return?

Corporations and S Corporations This form is due 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 15th day of the 3rd month after the end of its tax year.

What is the formula for calculating taxable income?

Subtract any standard or itemized tax deductions from your adjusted gross income. Subtract any tax exemptions you are entitled to, like a dependent exemption. Once you’ve subtracted any tax form adjustments, deductions, and exemptions from your gross income, you’ve arrived at your taxable income figure.

When must a taxpayer under the calendar year file the annual income tax return?

This return is filed on or before April 15 of each year covering income for the preceding taxable year. The return shall be filed by individuals earning income PURELY from trade/business or from the practice of profession, to wit: 1.

How do I file corporate taxes?

Here are six steps to getting your taxes filed:

  1. Decide Whether to Be Taxed as an S Corp. or a C Corp.
  2. File an S Corporation Election.
  3. Learn About Tax Deductions for Corporations.
  4. Pay Estimated Taxes.
  5. File Your Federal Tax Return.
  6. File Your State Tax Returns.

What is the unextended due date of the tax return of a calendar year C corporation for 2018?

C Corporations If you’re a C corporation then you will file your returns on the Form 1120. Here your tax year matters since it will determine the exact date on which you will be expected to file your returns. If your year ends on December 31, then the corporate tax return due date for 2018 will be April 15, 2019.

What is the extension deadline for 2019 taxes?

October 15
Did you file for an extension for your 2019 federal income tax return? If so, you have about a month remaining to file: the deadline to file your federal income tax return on extension is on or before October 15, 2020.

What is the personal tax exemption for 2020?

The personal exemption for tax year 2020 remains at 0, as it was for 2019, this elimination of the personal exemption was a provision in the Tax Cuts and Jobs Act.