What is a fiscal tax year end date?
Henry Morales
Published Feb 12, 2026
Key Takeaways. Fiscal year-end refers to the completion of a one-year, or 12-month, accounting period. If a company has a fiscal year-end that is the same as the calendar year-end, it means that the fiscal year ends on December 31.
How do I find my fiscal year end?
A company’s fiscal year is its financial year; it is any 12-month period that the company uses for accounting purposes. The fiscal year is expressed by stating the year-end date. A fiscal year-end is usually the end of any quarter, such as March 31, June 30, September 30, or December 31.
When does the fiscal year end for a C corporation?
You may have to pay a fee. Larger businesses organized as regular C corporations have more leeway in choosing their tax year than most others. They often choose to use to use a fiscal year instead of the calendar year as their tax year. For example, the fiscal year for many C corporations ends in March, June, or September.
When do C corporations have to file Form 1120?
S corporations using the calendar year as their fiscal year must file Form 1120S by March 15. If companies do not use the calendar year, both Form 1120 and Form 1120S are due on the 15th day of the third month following the end of the corporation’s tax year. Calendar Year as Tax Year for C Corporations
When do S corporations have to file their tax returns?
Calendar Year as Tax Year for S Corporations. S corporations using the calendar year as their fiscal year must file Form 1120S by March 15. S corporations must provide each shareholder with a copy of Schedule K-1, “Shareholder’s Share of Income, Deductions, Credits,” by this date unless requesting the extension.
How does a C corporation file an extension?
Corporations can request and receive an automatic six-month filing extension by filing Form 7004 by this date. C corporations must pay any tax due at this time. If a C corporation requests an extension, it must pay what it estimate it owes at the time it submits the extension request.