So You Missed the S Corporation Election Deadline? Now What?

If you were looking forward to the tax advantages of electing S Corporation status for your LLC’s or corporation’s 2026 tax year but missed the IRS March 16 deadline, don’t be too hard on yourself. There’s still hope for your business’s bottom line. The IRS may still grant you the S Corporation election for the current tax year if you demonstrate reasonable cause for not meeting the due date.

What Are Valid Reasons for Missing the S Corp Election Deadline?

When filing the S Corporation election form (IRS Form 2553) properly with a reasonable cause explanation, the IRS may allow an entity’s election to be applied retroactively to January 1.

The reasonable cause statement explains why the business owners didn’t file the election on time and confirms the entity’s intent to be treated as an S Corporation for tax purposes as of the beginning of the year. For the IRS to consider late election relief, the missed deadline must be the only issue at play, and the business owners must have taken action to correct it as soon as they identified the problem.

Examples of the reasonable causes the I...