March 15 for calendar-year S Corporations. If you filed for a six-month extension using Form 7004, the extended deadline is September 15. No further extension is available after that.
People also ask
This is some text inside of a div block.
Heading
Check your EIN confirmation letter (CP 575) first. If that is gone, look at a previously filed tax return, a business bank account application, or any 1099 you have issued. Your bank or your payroll provider will also have it on file.
previous version
