When your IRS account transcript shows “No Tax Return Filed” for a given year, the agency is telling you it has no Form 1040 on record from you for that year, even though it likely has income data reported under your Social Security number by employers, banks, and other payers. That status is rarely the end of the story. In most cases, it signals that the IRS is either preparing to build a return on your behalf or has already started doing so, and the three-digit transaction codes posted alongside the status tell you exactly how far along that process has gone.
Why the Status Appears Even When the IRS Has Your Income Data
The IRS does not need a return from you to know what you earned. Employers file W-2s, banks file 1099-INTs, brokerages file 1099-Bs, and clients who pay independent contractors file 1099-NECs. All of that information flows into your account. When those records exist but no matching Form 1040 does, the account is flagged.
That flag triggers the Substitute for Return process. Under Internal Revenue Code Section 6020, the IRS has authority to prepare and file a return on your behalf when you fail to file one yourself.1Office of the Law Revision Counsel. 26 U.S. Code 6020 – Returns Prepared for or Executed by Secretary The agency can build that return from income records it already has, from testimony, or from anything else it can obtain.2eCFR. 26 CFR 301.6020-1 – Returns Prepared or Executed by the Commissioner or Other Internal Revenue Officers
What the Substitute for Return Will Cost You
The IRS-prepared return exists to establish a liability, not to minimize your bill. When the agency builds a Substitute for Return, it typically treats you as single with no dependents. It ignores itemized deductions like mortgage interest and charitable contributions. It leaves out credits like the Child Tax Credit and the Earned Income Credit. If you had self-employment income, it won’t deduct your business expenses. The resulting assessment is almost always higher, often significantly higher, than what you’d owe on an accurately prepared return.
Your own Form 1040 supersedes the IRS’s version once you file it, as long as it’s accurate. The agency will replace the Substitute for Return assessment with your figures. That is why the response to a “No Tax Return Filed” status is almost always to file your own return rather than accept the IRS number.
Reading the Transaction Codes Next to the Status
IRS Transaction Codes are three-digit numbers the agency uses to log every event on your tax account.3Internal Revenue Service. IRS 6209 Section 8A Master File Codes A handful of them tell you where a non-filing case stands.
TC 971 With Action Code 143
This is the earliest code you’re likely to see. The IRS posts TC 971 with Action Code 143 when your case enters the Automated Substitute for Return program at the 30-day letter stage. The agency has built a proposed assessment and is notifying you before finalizing it.4Internal Revenue Service. 5.18.1 Automated Substitute for Return (ASFR) Program If this code is on your transcript, there is still time to file your own return before the IRS assessment becomes final.
TC 150 With SFR Markers
TC 150 normally records a filed return and the initial tax assessment.5Taxpayer Advocate Service. Decoding IRS Transcripts and the New Transcript Format Part II In a non-filing situation, the IRS posts a “dummy” TC 150 to establish the Substitute for Return on your account. The SFR version carries a specific document locator number format (XX210-887) with the literal “SFR” notation.4Internal Revenue Service. 5.18.1 Automated Substitute for Return (ASFR) Program Once that code appears, the IRS treats a return as existing for that year, and the 10-year collection clock starts.
TC 290
TC 290 posts the actual tax amount from the Substitute for Return to your account. It can include income tax, self-employment tax, Social Security and Medicare tax, and other liabilities calculated from the income reported to the IRS.4Internal Revenue Service. 5.18.1 Automated Substitute for Return (ASFR) Program Once TC 290 posts with a dollar amount, you have a formal balance due.
TC 599
TC 599 indicates the IRS considers the filing requirement resolved for that year. In the SFR context it posts with closing codes that tell you how it got resolved: CC 088 appears when the taxpayer disagreed with the proposed assessment or never responded, and CC 013 appears when the taxpayer agreed after the 90-day letter.4Internal Revenue Service. 5.18.1 Automated Substitute for Return (ASFR) Program
The practical message across these codes is consistent. The IRS has created or is creating a tax liability from income it knows about, and your response determines whether that number sticks or gets replaced by a smaller one.
The Notices That Travel With the Status
The transcript codes correspond to notices the IRS mails. Each notice narrows your options.
The CP2566 is often the first formal notice a non-filer receives. It tells you the IRS calculated tax, penalties, and interest from income information reported by employers, banks, and other payers.6Internal Revenue Service. Understanding Your CP2566 Notice At this stage the assessment is still proposed. You can respond by filing your own return or by contacting the IRS to dispute the figures.
If earlier notices go unanswered, the IRS sends a CP3219N, the Statutory Notice of Deficiency, also called the 90-day letter. You have exactly 90 days from the date on the notice to file a petition with the United States Tax Court if you want to challenge the assessment before paying it (150 days if you’re outside the country).7Internal Revenue Service. Understanding Your CP3219N Notice Filing a return does not extend that deadline. Missing it is one of the most costly mistakes in this process: once it passes, the IRS can assess the tax and start collection, and your remaining option is to pay in full and then sue for a refund.
Filing Your Own Return to Replace the SFR
The goal is a complete and accurate Form 1040 for the missing year that replaces the IRS’s inflated numbers with your real ones. Do not simply pay the amount the IRS demands.
Start by requesting a Wage and Income Transcript from the IRS for the year in question. This transcript lists every W-2, 1099, and other information return reported under your Social Security number, giving you the same income picture the IRS used.8Internal Revenue Service. Transcript Types for Individuals and Ways to Order Them You can request transcripts online or by mail.9Internal Revenue Service. Get Your Tax Records and Transcripts
Use the transcript as your baseline, then add what the IRS left out: the correct filing status, dependents, the standard deduction or itemized deductions, adjustments to income like student loan interest or self-employment tax, and any credits you qualify for. If you had self-employment income, a properly prepared Schedule C with legitimate business deductions will cut the gross figure the IRS used.
Returns more than two or three years old generally cannot be e-filed and must be submitted on paper. Mail the return to the address on your IRS notice, or to the IRS service center for your state if no address is listed. Send it by certified mail with return receipt requested. That receipt is your proof of the delivery date, which matters for penalty calculations and any future dispute. Processing can take several weeks to several months, particularly for older years. Once the IRS processes your return, it adjusts the account to reflect your actual liability.
Penalties, Interest, and Relief
Filing your own return reduces the underlying tax, but penalties and interest still apply when you owe. Two penalties run at the same time for non-filers.
The failure-to-file penalty is 5% of the unpaid tax for each month or partial month the return is late, capped at 25%.10Internal Revenue Service. Failure to File Penalty The failure-to-pay penalty is 0.5% of the unpaid tax per month, also capped at 25%.11Internal Revenue Service. Topic No. 653 – IRS Notices and Bills, Penalties and Interest Charges When both apply in the same month, the failure-to-file penalty is reduced by the failure-to-pay amount for that month.12Office of the Law Revision Counsel. 26 USC 6651 – Failure to File Tax Return or to Pay Tax During the first five months the combined effective penalty is 5% per month. After the failure-to-file penalty maxes out at 25%, the failure-to-pay penalty keeps running on its own at 0.5% per month until it reaches its own 25% cap. The worst-case combined penalty exposure is 47.5% of the unpaid tax, on top of interest.
Interest runs separately and cannot be waived. For individual taxpayers, the IRS charges the federal short-term rate plus 3 percentage points, compounded daily. For the first quarter of 2026 the rate is 7%.13Internal Revenue Service. Interest Rates Remain the Same for the First Quarter of 2026 Beginning the second quarter of 2026 the rate drops to 6%.14Internal Revenue Service. Internal Revenue Bulletin: 2026-8 Daily compounding on balances outstanding for years adds up faster than most people expect.
Two main paths exist for reducing penalties. First Time Abatement is available if you filed all required returns for the three years before the penalty year and had no penalties during that period (or any prior penalties were removed for an acceptable reason). A phone call to the IRS can sometimes resolve it on the spot.15Internal Revenue Service. Administrative Penalty Relief Reasonable cause relief requires showing you exercised ordinary care and prudence but still couldn’t file or pay on time. The IRS recognizes situations like fires or natural disasters, inability to obtain records, death or serious illness of the taxpayer or an immediate family member, and system issues that prevented electronic filing.16Internal Revenue Service. Penalty Relief for Reasonable Cause Written requests go on Form 843 with documentation.17Internal Revenue Service. Instructions for Form 843 Vague statements about being busy rarely succeed; the IRS wants specific circumstances, dates, and evidence.
Refunds Disappear if You Wait
Not every non-filer owes money. Some are owed refunds because their employer withheld too much or because they qualify for refundable credits. The IRS estimated that over $1 billion in refunds for tax year 2021 alone remained unclaimed because people hadn’t filed.18Internal Revenue Service. More Than $1 Billion in 2021 Tax Refunds Still Unclaimed
You generally have three years from the original due date of the return to claim a refund. If no return is filed, the deadline is two years from the date the tax was paid, which for most people means withholding.19Office of the Law Revision Counsel. 26 U.S. Code 6511 – Limitations on Credit or Refund Once that window closes, the money goes to the Treasury permanently.18Internal Revenue Service. More Than $1 Billion in 2021 Tax Refunds Still Unclaimed No penalty applies for filing late when you’re owed a refund, but the refund itself vanishes if you wait too long.
What Happens if You Keep Ignoring It
Ignoring an SFR assessment doesn’t make it go away. After the assessment becomes final, the IRS sends a series of payment demands. If those go unanswered, you’ll eventually receive a CP504, a Notice of Intent to Levy and the IRS’s warning that it can seize wages, bank accounts, state tax refunds, and other property.20Internal Revenue Service. Understanding Your CP504 Notice The IRS can also file a Notice of Federal Tax Lien, which attaches to all your property and shows up on your credit record.
For larger debts, the FAST Act generally prohibits the State Department from issuing or renewing a passport when a taxpayer has seriously delinquent tax debt, currently an unpaid, legally enforceable federal balance exceeding $64,000.21Taxpayer Advocate Service. Don’t Let a Passport Revocation Ruin Your International Travel Plans
Once the IRS formally assesses the tax, it has 10 years to collect, a period called the Collection Statute Expiration Date.22Taxpayer Advocate Service. Collection Statute Expiration Date (CSED) Certain actions, like filing an offer in compromise or requesting a collection due process hearing, pause that clock, so the effective collection period can stretch beyond 10 calendar years.
Why Old Unfiled Years Don’t Simply Expire
The IRS normally has three years from the date a return is filed to assess additional tax. When no return is filed at all, that clock never starts. Section 6501(c)(3) states that in the case of a failure to file, the IRS can assess tax “at any time.”23Office of the Law Revision Counsel. 26 U.S. Code 6501 – Limitations on Assessment and Collection There is no expiration. A missing 2015 return can still be assessed in 2035. Filing the return is what starts the clock, which is one more reason “No Tax Return Filed” on your transcript is a status to resolve, not one to wait out.