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IRS Form 2553 · S corporation election

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The deadline that matters

2 months + 15 days into the tax year

For a calendar-year business, that's March 15. You can also file any time during the preceding tax year. Miss it, and the election normally takes effect the following year — unless you qualify for late election relief.

See the full deadline rules

What filing involves

Three things decide whether the IRS accepts your election

Most rejections and delays trace back to the same handful of errors. Here's what we check.

Confirm you're eligible

A domestic corporation or LLC with 100 or fewer shareholders, only allowable shareholders, and a single class of stock can make the election. We check this before anything is filed.

Pin down the effective date

The effective date drives the deadline and whether late election relief is needed. Getting Part I lines E and F right is where most rejected elections go wrong.

File with the right service center

Form 2553 goes by mail or fax to the IRS center assigned to your state, with every required shareholder consent signed and dated.

Online 2553 provides general information about IRS Form 2553 and the S corporation election. It is not a law firm or an accounting firm, is not authorized by the IRS, and does not provide legal, tax, or accounting advice. Your facts matter — confirm your situation with a qualified tax professional before filing.

Guides

Answers to the questions people actually ask

Plain-English walkthroughs of deadlines, forms, mailing addresses, and late election relief.

Form 2553 Basics4 min read

7 Steps to Forming an S-Corp

You cannot form an S corporation directly. You form an LLC or a corporation with your state, obtain an EIN, then file Form 2553 with the IRS.

Online 2553 EditorialAugust 21, 2026
Form 2553 Basics4 min read

Rev Proc 2003-43: A Plain-English Guide

Rev Proc 2003-43 was the simplified route for late S corporation, trust, and subsidiary elections from 2003 until 2013. It allowed twenty four months from the election's due date and split filers into two tracks.

Online 2553 EditorialAugust 21, 2026
Form 2553 Basics4 min read

Rev Proc 2013-30: A Plain-English Breakdown

Rev Proc 2013-30 is the one document that governs late S corporation elections. It replaced a scattered set of earlier procedures with a single rule and a longer window of three years and seventy five days.

Online 2553 EditorialAugust 21, 2026
Form 2553 Basics4 min read

S-Corp Acceptance Letter (CP261): Everything You Need to Know

Notice CP261 is the letter confirming the IRS accepted your Form 2553 and the date your S corporation status begins. It usually arrives within about sixty days, and no duplicate is ever issued.

Online 2553 EditorialAugust 21, 2026
Form 2553 Basics4 min read

What is the difference between an S-Corp and a C-Corp?

Both are corporations under state law. The difference is federal tax treatment: a C corporation pays tax on its own profit, while an S corporation pushes profit to its shareholders untaxed at the entity level.

Online 2553 EditorialAugust 21, 2026
Form 2553 Basics4 min read

Revenue Procedure 2010-32: A Plain English Guide

Revenue Procedure 2010-32 fixes a narrow but expensive mistake. A foreign entity elects partnership or disregarded treatment, then discovers it misjudged how many owners it had. The procedure honors what the entity meant to do, without a ruling request and without a user fee.

Online 2553 EditorialAugust 21, 2026

FAQ

Form 2553, in short

The five questions we're asked most often about the S corporation election.

Form 2553, Election by a Small Business Corporation, is the form a corporation or an eligible LLC files to be taxed as an S corporation. Once the IRS accepts it, the business's income, losses, deductions, and credits generally pass through to the shareholders' personal returns.

Next step

Ready to file Form 2553?

Send us your details and we'll review your election before it goes to the IRS — deadline, eligibility, and every box on the form.

Online 2553 provides general information about IRS Form 2553 and the S corporation election. It is not a law firm or an accounting firm, is not authorized by the IRS, and does not provide legal, tax, or accounting advice. Your facts matter — confirm your situation with a qualified tax professional before filing.