Last reviewed: June 2026 This guide is for general educational purposes only and is not legal, tax, or accounting advice.

Many business owners search for their LLC or corporation online and assume that an active state record answers the S-Corp question. It does not. State records usually show whether the legal entity exists, whether it is active, and whether state filings are current.

S-Corp status is a federal tax election. In normal cases, the useful records are the IRS acceptance letter, proof that Form 2553 was filed, prior business tax records, and IRS account confirmation by phone.

Still deciding whether to file Form 2553?

This guide is for businesses that already filed Form 2553 or believe they filed it. If you are still checking when to file, read our S-Corp election deadline guide first.

Quick Answer: How Do You Know If Form 2553 Was Approved?

The strongest normal confirmation is the IRS acceptance or determination notice. That notice should say whether the S-Corp election was accepted and show the effective date recorded by the IRS.

IRS instructions say the entity should generally receive a determination within 60 days after filing Form 2553. If no acceptance or nonacceptance notice arrives within 2 months of the filing date, the instructions say to call 1-800-829-4933.

Confirmation method What it tells you How to treat it
IRS acceptance letter The IRS accepted the election and recorded an effective date. Strongest regular confirmation.
IRS phone follow-up An IRS representative may confirm whether the election is recorded. Useful when no letter arrived.
Fax confirmation or mail receipt Shows that Form 2553 was sent or mailed. Proof of filing, not proof of approval.
State business search Shows state legal entity status. Does not confirm federal S-Corp status.
Tax professional records May show stored notices, prior filings, account notes, or filing proof. Useful, but depends on the records kept.
Do not confuse filing proof with approval

A fax confirmation, certified mail receipt, or copy of a signed Form 2553 can help show that the election was sent. It does not prove that the IRS accepted the election.

Can You Check S-Corp Status Online?

In most ordinary cases, you cannot confirm federal S-Corp election status through a simple public online lookup. This is the point that causes confusion: you can often check the company online, but not the federal S-Corp tax election.

A Secretary of State search can show whether the legal entity is active, inactive, dissolved, delinquent, or in good standing. It does not normally show whether the IRS accepted Form 2553.

Where you check What it can show What it cannot prove
Secretary of State search LLC or corporation active/inactive status. Federal S-Corp tax election status.
State tax account State registrations, payroll accounts, sales tax accounts, or state tax standing. Federal Form 2553 acceptance unless the state separately displays or imports that information.
IRS correspondence Acceptance, rejection, or effective date of the election. State-level good standing.
Business tax return records Whether Form 1120-S was prepared or filed. Whether the original Form 2553 was timely accepted in every situation.

If someone tells you to “check S-Corp status online,” clarify which status they mean. State entity status and federal S-Corp election status are separate records.

How Long Does Form 2553 Approval Take?

IRS instructions say a business should generally receive a determination within 60 days after filing Form 2553. The notice should tell the entity whether the election was accepted and when the election takes effect.

If the IRS does not accept the election, the entity should also be notified. For certain tax-year requests where Part II, box Q1, was checked, the instructions say the process can take longer.

Timing What may be happening What to do
Day filed Form 2553 is faxed or mailed. Save the signed form and proof of transmission or mailing.
First 30 days The IRS may still be processing the election. Do not assume approval only because no response arrived.
Around 60 days A determination is generally expected. Check the business mailing address, old address, and tax professional records.
After 2 months with no notice The notice may be delayed, lost, or not matched to the right address. Call 1-800-829-4933 and ask about the election record.
Tax return deadline approaching You may need to know whether to file Form 1120-S or another return. Confirm the election before filing the wrong return.
Do not file Form 1120-S by guessing

Form 1120-S is used for tax years covered by an election to be treated as an S corporation. If your election status or effective date is unclear, confirm the record before filing.

What Is the IRS S-Corp Acceptance Letter?

The S-Corp acceptance letter is the IRS notice confirming that the election was accepted. It should identify the entity and show when S-Corp tax treatment begins.

Keep this letter with permanent business tax records. Accountants, payroll providers, lenders, future buyers, and tax professionals may ask for it later.

Item on the letter Why it matters
Business legal name Confirms which entity the IRS accepted.
EIN Connects the election to the correct business tax account.
Effective date Shows which tax year should use S-Corp treatment.
IRS determination Shows whether the election was accepted or rejected.
Mailing address Helps identify whether the notice was sent to an old or incorrect address.

If the business moved after filing Form 2553, check the old mailing address as well. The IRS notice may have been sent to the address listed on the election form.

What to Do If You Never Received the S-Corp Approval Letter

If no IRS letter arrived, separate the problem into two questions: can you prove Form 2553 was sent, and can the IRS confirm that the election was accepted?

  1. Confirm the filing date. Find the date Form 2553 was faxed, mailed, or submitted with a tax return under late election relief.
  2. Find the filing proof. Look for a fax confirmation, certified mail receipt, private delivery receipt, stamped copy, or tax professional record.
  3. Check the address on Form 2553. The IRS notice may have gone to an old business address, accountant address, or owner address.
  4. Allow for the normal processing window. IRS instructions generally refer to a 60-day determination window.
  5. Call the IRS after 2 months. If no acceptance or nonacceptance notice arrived, call 1-800-829-4933.
  6. Ask for the recorded effective date. Approval is not enough by itself; the tax year depends on the effective date the IRS has on file.
A phone confirmation can still be useful

If the IRS confirms the election by phone, write down the date, time, what was confirmed, and the effective date given. Ask how to obtain written confirmation if you need it for records, a tax preparer, payroll setup, or a lender.

IRS Phone Number to Check S-Corp Status

The IRS instructions for Form 2553 say to call 1-800-829-4933 if the business is not notified of acceptance or nonacceptance within 2 months of the filing date. This is the IRS Business Specialty Tax Line.

Before calling, gather the details the IRS may need to identify the business tax account and verify that the caller is authorized.

Have this ready Why it helps
Legal business name The IRS record should match the entity name.
EIN This is the main business tax identifier.
Business mailing address The IRS may use it to verify the account.
Responsible party or authorized caller The IRS may only speak with authorized persons.
Date Form 2553 was faxed or mailed Helps locate the filing window.
Requested effective date Shows which tax year the election should apply to.
Proof of filing Useful if the IRS cannot locate the election.
Tax year involved Helps avoid confusion between a current-year election and a prior-year election.

Phone Script for Checking S-Corp Status

Use a short script when you call. The goal is to confirm whether the S-Corp election is recorded and what effective date the IRS has on file.

IRS phone script

“Hi, I’m calling to check the status of a Form 2553 S-Corporation election. The business legal name is [business name], and the EIN is [EIN]. The form was faxed or mailed on [date], and the requested effective date was [date]. Can you confirm whether the S-Corp election has been accepted and what effective date is recorded?”

If the representative cannot find the election, ask what proof you should provide and where to send it. Do not refile blindly before you know whether the original election is missing, delayed, rejected, or recorded under different information.

If the IRS says... Ask this next
The election is accepted “What effective date is recorded?”
The election is pending “When should I follow up again?”
The election was rejected “What was the reason for rejection?”
No election is found “What proof should I provide to show timely filing?”
The account information does not match “Which name, address, or EIN issue needs correction?”

How to Prove Form 2553 Was Filed

If the IRS questions whether Form 2553 was filed, documentation matters. Useful proof can include a certified or registered mail receipt, private delivery receipt, fax confirmation, stamped Form 2553, IRS received-date stamp, IRS correspondence, or records kept by a tax professional.

Proof What it shows Limitation
Certified or registered mail receipt Shows mailing through USPS or an accepted delivery method. Does not prove acceptance.
Private delivery service receipt May show delivery date and tracking details. Keep the full tracking record.
Fax confirmation Shows transmission date and fax number used. May not prove IRS processing or acceptance.
Form 2553 with accepted stamp Shows IRS acceptance or receipt markings. Only useful if a stamped copy exists.
IRS received-date stamp Shows the IRS received the form. Does not always show final acceptance.
IRS acceptance letter Shows the election was accepted. Can be lost if mailed to an old address.
Tax professional records May show copies, fax logs, account notes, or IRS mail. Depends on what the preparer retained.
Keep permanent records

Save the signed Form 2553, filing proof, IRS acceptance notice, and related correspondence with permanent business records. Do not rely only on memory or an email search.

Letter Template to Request S-Corp Status Confirmation

In some cases, you may want to send a written request for confirmation or ask your tax professional to prepare one. Confirm the correct IRS address or procedure before mailing anything. 

[Your Business Legal Name]
[Business Mailing Address]
[City, State ZIP]
[EIN]
[Phone Number]

[Date]

Internal Revenue Service
[Use the appropriate IRS address or instructions for your situation]

Re: Request for Confirmation of S-Corporation Election Status

To Whom It May Concern:

I am requesting confirmation of the S-Corporation election status for the following business:

Legal business name: [Business legal name]
EIN: [EIN]
Business address: [Address]
Date Form 2553 was filed: [Date faxed or mailed]
Requested effective date: [Effective date listed on Form 2553]
Tax year involved: [Tax year]

Form 2553 was submitted by [fax / mail / tax professional] on [date]. I have not received, or I no longer have, the IRS determination notice confirming whether the election was accepted.

Please confirm whether the S-Corporation election was accepted and the effective date recorded for the business. If additional information is needed, please contact me at [phone number] or [mailing address].

Sincerely,

[Name]
[Title / authorized role]
[Signature]

Keep a copy of the letter and proof of mailing. If a tax return deadline is close, calling the IRS and working with a tax professional may be faster than waiting for mailed correspondence.

What If the IRS Says Form 2553 Was Not Received?

If the IRS cannot find Form 2553, do not assume the business can file as an S-Corp without fixing the issue. Gather your proof, ask the IRS what documentation is needed, and check whether late election relief may apply.

Late election relief is not automatic. The business generally needs to show that it intended to be classified as an S corporation, was otherwise eligible, had reasonable cause for the late election, and acted consistently with S-Corp treatment where required.

Problem Possible next step
IRS cannot locate the filing Provide proof of timely filing and ask how to submit it.
Form was never actually sent Review whether late election relief is available.
Wrong EIN or legal name was used Ask how the account mismatch should be corrected.
Effective date was wrong Ask a tax professional before refiling or amending records.
Tax return deadline is near Confirm the correct return before filing.

For deadline and late-relief rules, read: S-Corp Election Deadline: When to File Form 2553 .

What If Your S-Corp Election Was Rejected?

If the IRS rejects the election, read the notice carefully. The notice should explain why the election was not approved or direct you to the next step.

Common issues include missing signatures, missing shareholder consent, an incorrect EIN, a wrong legal name, ineligible shareholders, a late filing, or an effective date that does not match the deadline rules.

Common rejection issue Why it matters
Missing shareholder or member consent Form 2553 generally requires consent from the owners.
Missing authorized signature Unsigned forms may not be treated as valid filings.
Wrong EIN The election may not match the correct business tax account.
Wrong legal name The IRS may not match the form to the right entity.
Late filing The election may need late election relief.
Ineligible shareholder Some owners can make the business ineligible for S-Corp status.
Wrong effective date The requested date affects the deadline and tax year.
Do not fix a rejected election by guessing

A rejected S-Corp election can affect payroll, shareholder reporting, tax return filing, and prior-year treatment. If the rejection involves eligibility, late filing, or prior-year returns, use a qualified tax professional.

S-Corp Status vs. LLC Status: Do Not Confuse Them

An LLC is a legal entity created under state law. S-Corp status is a federal tax election made with the IRS.

A business can be an LLC legally and taxed as an S-Corp federally. That is why “my LLC is active” does not answer the question, “Was my Form 2553 approved?”

Status type Where it comes from What it means
LLC active status State Secretary of State or similar agency. The legal entity is active or in good standing at the state level.
S-Corp tax status IRS Form 2553 election. The business is taxed under S-Corporation rules for federal tax purposes.
State S-Corp treatment State tax agency rules. Some states follow federal treatment; others may require extra steps.
Payroll account status Federal and state payroll agencies. The business is registered to handle payroll tax obligations.

If your business is an LLC taxed as an S-Corp, you may need to manage both state LLC compliance and federal S-Corp tax filings. The systems overlap, but they are not the same thing.

If the IRS accepted your election, the next issues are usually payroll, reasonable salary, owner compensation, and Form 1120-S filing. If the election was late, missing, or rejected, start with the deadline and late-relief guide.

This article is general information only. S-Corp election status can affect payroll, business returns, owner compensation, state filings, and prior-year tax treatment. Ask a qualified tax professional if your deadline, effective date, ownership structure, or filing history is unclear.