Deadline calculator

Regular date, extension, or short year—calculated together.

Enter the filing facts. An approved, timely Form 7004 is treated as an extension—not as a reason to add a reasonable-cause statement.

Your filing dates

Calculate the working deadline

Tax year

Was this the LLC's final, short tax year?

Was Form 7004 filed for this tax year?

Deadline result

A late filing may need a reasonable-cause statement. The dates alone cannot determine whether reasonable cause exists.

This tool applies Snapfile's current calendar and short-year rules. It is a planning aid, not a determination of reasonable cause or legal advice.