Your IRS Refund Is Still Missing? The IRS Now Owes You Interest — Here's What's Actually Happening (June 2026)

A plain-English breakdown of refund delays, the 45-day rule, mysterious transcript codes, and the IRS "60-day letter" universe — and what you should actually do about it.

Why this article exists

If you filed your 2025 tax return on or before April 15, 2026, and your refund still hasn't arrived, you are not imagining things — and you are not alone. Millions of taxpayers are sitting in the same waiting room this season. The IRS Practitioner Hotline is intermittently shut down to individual inquiries, account transcripts are missing critical codes (separate issue I've written about), and the "Where's My Refund?" tool keeps showing the same vague "still processing" message it showed three weeks ago.

There is one piece of good news in all this: as of May 30, 2026, the IRS is now legally required to pay you interest on your refund, and that meter has already been running for a couple of days.

Here's what's actually happening, why your refund may be stuck, what those cryptic transcript codes mean, and the exact game plan I walk my clients through when their return is held up.

The 45-day rule: how the IRS clock works

Under Internal Revenue Code §6611(e)(1), the IRS gets a 45-day "free window" to process your refund without paying interest. The clock starts on the later of:

• the due date of the return (April 15 for most individuals), or

• the date you actually filed (if you filed late).

For 2025 returns filed by April 15, 2026, the 45-day grace period ended on May 30, 2026. From May 31 forward, the IRS owes you statutory interest on the entire refund amount until they pay it.

A few important nuances most people miss:

• Extensions don't change this. If you e-filed by April 15 and your return was accepted, your 45 days are counted from April 15 — not from your filing date.

• Amended returns (1040-X) get a fresh 45-day clock starting on the date the amended return is filed.

• For non-resident returns with refunds based on withholding (§6611(e)(4)), the IRS gets an extended 180-day window instead of 45 days.

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How much interest are we talking about?

For Q2 2026 (April 1 – June 30), the IRS overpayment interest rate for individuals is 6% per year, compounded daily. This is down from 7% in Q1.

That's about $16 per $10,000 of refund per month. Not life-changing, but real. And it accrues every day — including weekends and holidays — until the day the refund is actually issued.

One easy-to-miss detail: this interest is fully taxable on your 2026 federal return. The IRS will send you a Form 1099-INT in January 2027 if the interest is $10 or more. Even if you don't get a 1099-INT, the interest is still taxable and you're still required to report it.

Why your refund may actually be stuck

Refund delays in 2026 fall into four broad buckets. Knowing which bucket you're in determines what (if anything) you should do.

Bucket 1: Routine review (no action required)

The IRS pulls a percentage of returns for routine post-filing review. Identity filters in particular have been catching far more returns this year because of widespread data mismatches between 2024 W-2/1099 data and IRS records. If you're in this bucket, your transcript usually shows a Code 570 ("Additional Account Action Pending") and possibly a Code 971 ("Notice Issued") — and a generic letter like CP05 in the mail.

The IRS officially asks for 60 days from the date of the letter. There's nothing for you to do during that window except wait, watch the transcript, and not file anything new that might restart the clock.

Bucket 2: Identity verification required

If your transcript shows codes 570 and 971 followed by a letter like 5071C, 4883C, or 5747C, the IRS is telling you it can't release your refund until you verify your identity. You have to act. Use the IRS identity verification service at idverify.irs.gov (the official URL printed on the letter) or call the number on the letter itself. Do not scan the QR code on a letter without first confirming the letter is genuine — there is an active wave of fake "identity verification" scams using IRS branding.

Bucket 3: Real document request

Letters CP05A, CP05B, and 4464C are escalations. The IRS is asking for specific documentation — usually wage records, withholding proof, dependents' SSNs, or supporting documents for a credit you claimed. You typically get 30 days from the date of the letter to respond. Miss it, and the refund can be denied or adjusted unilaterally.

Bucket 4: Real problem with the return

This is rarer, but if the IRS spotted a math error, a missing form, or a real income mismatch, you may get a CP12, CP21, CP22A, or CP2000 letter explaining the adjustment. These are not "your refund is delayed" letters — they're "your refund is changing" letters. The right response depends entirely on whether the IRS is correct.

Decoding the transcript codes (the most useful 60 seconds you'll spend)

Pull your Account Transcript at IRS.gov → Get Transcript Online (or your tax professional can pull it for you). The most common codes in a delayed-refund situation are:

• 150 — Tax return filed

• 806 — W-2 / 1099 withholding posted

• 766 — Refundable credit (e.g., child tax credit, education credit)

• 768 — Earned Income Credit applied

• 570 — Additional Account Action Pending (this is the "hold")

• 971 — Notice Issued (the IRS sent you a letter explaining why)

• 571 — Resolved — additional account action pending (the hold lifted)

• 572 — Resolved — additional account action (also a release)

• 846 — Refund Issued (the code you're waiting for)

When you see 570 followed by 971, the IRS has paused your refund and a letter is on its way. When you see 571 or 572 appear later, the hold has been released. The next thing you should see is 846 — the actual refund.

Important caveat for 2026: as I've documented in a separate article, some IRS account transcripts pulled in May 2026 are missing critical transaction codes because of a glitch in the IRS transcript-redaction system. If your transcript looks suspiciously empty after filing, that may not be reality — that may be the glitch.

What you should NOT do

Three classic mistakes I see every June:

1. Don't refile your return. If your e-file was accepted by the IRS, refiling — or mailing a paper return on top — creates duplicate-return chaos that can add three to six months of additional delay.

2. Don't call the IRS multiple times a day. It does not move you up the queue, it does waste your time, and it ties up lines for taxpayers with active deadlines. If you must call, call once, document the agent's name and ID, and write down what you were told.

3. Don't sign anything reflexively. Some of the CP letters include a response form. If you don't understand what you're agreeing to — for example a math-error adjustment that strips out a credit — signing it can permanently lock in the adjustment. Read the letter carefully or have a tax professional read it before you respond.

What you SHOULD do (the actual game plan)

Step 1. Pull your account transcript for tax year 2025. Look for the pattern above.

Step 2. Match transcript activity to mail. Did a 971 appear on a specific date? A letter is almost certainly already in the mail from that date. If you didn't receive it, check your mailing address on file with the IRS and watch your mailbox for the next two weeks.

Step 3. If you have a letter, identify the type. CP05 (no action), CP05A/CP05B (30-day response), 4464C (60-day hold), 5071C/4883C (identity verification). Each one has a specific playbook.

Step 4. If you have no letter and the transcript is silent, give it the full 60 days from the latest activity date before calling. The IRS literally asks you not to call sooner. If 60 days pass with no movement, then call.

Step 5. Track your interest. Calculate roughly: refund amount × 6% × (days since May 30) / 365. Compound daily. Keep a note of the figure for your 2026 tax return — you'll receive a 1099-INT in January 2027.

Step 6. Don't forget the state piece. Your federal refund and your state refund are completely separate processes. A federal delay doesn't tell you anything about your state refund (or vice versa).

When it's time to bring in a tax professional

If any of the following apply, it's worth a half-hour conversation rather than another month of waiting:

• More than 90 days since e-file acceptance with no transcript movement.

• A CP05A, CP05B, or 4464C letter with a deadline you don't fully understand.

• An identity-verification letter that won't accept your verification online.

• A 60-day letter that came and went, and the IRS still hasn't moved.

• A refund of $5,000 or more — at that size, the difference between right and wrong response can be thousands of dollars in withheld or denied money.

• A self-employed return with Schedule C, Schedule E, or large credits — these are most likely to attract real review.

A 30-minute review of your transcript, your letters, and your situation usually clarifies the path forward and saves you weeks.

A reminder for next year

If your 2025 refund is delayed, you have new information for next April. Two practical takeaways:

• File earlier, not on April 15. Returns filed in February and early March have a much lower review-pull rate than the April flood.

• Don't overwithhold. A large refund is an interest-free loan to the IRS. With a properly tuned W-4 or estimates, that money sits in your account earning your return — not in IRS limbo earning 6% only after a 45-day delay.

  
  

Don't wait — let's read your transcript together

If your refund has been sitting for more than 45 days, your transcript shows codes you can't decipher, or you have a 60-day letter and aren't sure whether you need to respond — book a free 30-minute consultation before you make a move.

📩 info@taxeszenpro.com

We'll pull your transcript together, identify what's holding the refund, draft your response if one is needed, and tell you exactly what to expect next.