https://ttlc.intuit.com/community/taxes/discussion/re-1120-s-return/01/3177088#M1167745 <P>The S corporation returns are generally due by the 15th day of the third month following the last month of the tax year. It is possible that you entered a fiscal year for your S corporation so it ends in January. In that case, it would be due in April. You can look at the top of page one on your Form 1120-S to see if you entered a fiscal year as opposed to a calendar year.</P> Thu, 08 Feb 2024 22:45:20 GMT ThomasM125 2024-02-08T22:45:20Z https://ttlc.intuit.com/community/taxes/discussion/1120-s-return/01/3177029#M1167712 <P>Why is the cover letter for my 1120-S return, prepared by Turbo Tax, showing a due date of April 18th? I know it&nbsp; is due on March 15th?</P> Wed, 11 Feb 2026 04:02:57 GMT https://ttlc.intuit.com/community/taxes/discussion/1120-s-return/01/3177029#M1167712 LillianRose 2026-02-11T04:02:57Z https://ttlc.intuit.com/community/taxes/discussion/re-1120-s-return/01/3177088#M1167745 <P>The S corporation returns are generally due by the 15th day of the third month following the last month of the tax year. It is possible that you entered a fiscal year for your S corporation so it ends in January. In that case, it would be due in April. You can look at the top of page one on your Form 1120-S to see if you entered a fiscal year as opposed to a calendar year.</P> Thu, 08 Feb 2024 22:45:20 GMT https://ttlc.intuit.com/community/taxes/discussion/re-1120-s-return/01/3177088#M1167745 ThomasM125 2024-02-08T22:45:20Z