Why is the IRS taking so long to review my tax return?

Asked by: Cayla Russel  |  Last update: July 8, 2026
Score: 4.3/5 (37 votes)

The IRS often takes longer to review tax returns due to errors, missing information, identity theft, or manual processing requirements, with reviews potentially lasting 45 to 180 days. Common causes for delays include claiming credits like EITC/ACTC, filing by mail, or discrepancies in income reporting.

Why is the IRS taking so long to review my refund?

The normal turnaround time for the IRS to accept your return is 24-48 hours. However, due to the number of stockpiled returns, it may take a little bit longer as their system is overwhelmed with early filers. This also applies to why there may not be a status showing on the IRS Where's My Refund site.

How long does it take for the IRS to review my taxes?

If the IRS is reviewing your return, it may have questions about your wages and withholding, or credits or expenses shown on your tax return. The review process could take anywhere from 45 to 180 days, depending on the number and types of issues the IRS is reviewing.

How long can my tax refund be under review?

The IRS has no maximum time limit when it comes to processing tax refunds, but after 45 days, it is required to pay interest on your refund. In most cases, you can expect the IRS to issue your tax refund within 21 days of filing your tax return.

How can I speed up my IRS review?

What should I do? Request an expedited refund by calling the IRS at 800-829-1040 (TTY/TDD 800-829-4059). Request a manual refund expedited to you.

Does it really take 16 weeks for amended return?

28 related questions found

What triggers an IRS refund review?

The IRS uses a combination of automated and human processes to select which tax returns to audit. Not reporting all of your income is an easy-to-avoid red flag that can lead to an audit. Taking excessive business tax deductions and mixing business and personal expenses can lead to an audit.

What's the longest the IRS can take to refund?

The IRS doesn't have a strict maximum time limit for issuing refunds, but generally processes e-filed returns with direct deposit within 21 days, while paper returns take 6 weeks or more, with longer waits for those claiming certain credits (EITC/ACTC) or if errors occur. If the IRS holds your refund for more than 45 days past the tax deadline (or filing date if late), they owe you interest, but significant delays (months) can happen for complex issues or extra reviews, sometimes requiring a mailed notice. 

Why is the IRS still reviewing my tax return?

Why is my return being reviewed? We select some returns to review so we can determine whether income, expenses, and credits are reported correctly. This doesn't mean you made an error or were dishonest.

Can I sue the IRS for taking too long to process my return?

You can file a suit in a United States District Court or the United States Court of Federal Claims. However, you generally have only two years to file a refund suit from the date the IRS mails you a notice that denies your claim.

Why are refunds taking so long in 2025?

Income tax refund delays in 2025 (for the 2024 tax year) happen due to errors, fraud protection, claiming specific credits like EITC/ACTC (held until mid-Feb by law), missing info, or general IRS review, with increased scrutiny on identity theft and income mismatches leading to longer processing times. Common culprits include wrong SSNs, math errors, incomplete forms, and discrepancies with income reported by employers.

Why does my tax return say under review?

The IRS reviews some federal tax returns to determine if income, expenses, and credits are reported accurately. The IRS selects returns for review using various methods; including random sampling, computerized screening, and comparison of information received by the IRS such as Forms W-2 and 1099.

What is the maximum time for refund processing?

Usually, it takes 4-5 weeks for the refund to be credited to the account of the taxpayer. However, if refund is not received during this duration, the taxpayer must check for intimation regarding discrepancies in ITR; check email for any notification from the IT department regarding the refund.

What are common reasons for IRS reviews?

Common IRS audit triggers

  • Making math errors.
  • Failing to report income.
  • Claiming too many charitable donations.
  • Reporting too many losses on a Schedule C.
  • Deducting too many business expenses.
  • Claiming a home office deduction.
  • Using nice, neat, round numbers.

How long does an IRS review usually take?

See our Held or Stopped Refund page or the TAS video for more information. If the IRS is reviewing your return, the review process could take anywhere from 45 to 180 days, depending on the number and types of issues the IRS is reviewing. Follow these steps if you know you made a mistake, before the IRS contacts you.

What if my tax return is still being processed after 21 days?

Most federal tax refunds are issued within 21 days, but some may take longer if the return requires additional review. Once the IRS has accepted your return, TurboTax can't provide updates on where your refund is at. If your federal refund is late, follow these steps: Check the IRS Where's My Refund?

How often does the IRS update refund status?

The IRS Where's My Refund tool updates once daily, usually overnight, so checking more often isn't necessary; you'll see status changes as your return moves from "Refund Received" to "Refund Approved" and then "Refund Sent," with most e-filed refunds issued within 21 days, but it can take longer if there are errors or extra review needed.

What is the $600 rule in the IRS?

The IRS $600 rule refers to a change in reporting requirements for third-party payment apps (like Venmo, PayPal) for taxable income from goods and services, where platforms must send a Form 1099-K if you receive over $600 in a year, intended to capture gig economy/side hustle income, though delays and phased implementation have adjusted the timeline, with current rules for 2024 using a higher threshold ($5,000) before fully phasing to $600 for future years, but remember all taxable income, regardless of form, must always be reported.
 

What is the IRS one time forgiveness?

One-time forgiveness, officially known as First-Time Penalty Abatement (FTA), is an IRS program that allows qualified taxpayers to have certain penalties removed from their tax accounts.

Has anyone successfully sued the IRS?

Yes, people and groups have successfully sued the IRS and won, both in class actions (like the PTIN fee case) and individual disputes, often challenging IRS procedures, regulations, or specific actions, though winning is difficult and often involves complex tax law arguments or constitutional claims. Notable victories include class actions over unlawful fees and groups winning against improper targeting, while individuals have beaten the IRS on complex interpretations of tax law. 

How long does a CP05 review take?

We could take up to 60 days to complete this review. Please don't contact us prior to 60 days from the date of this notice since we won't be able to provide you any additional information. You can check your refund status at www.irs.gov/refunds or the IRS2Go mobile app for smart phones.

Why is my refund taking so long to be reviewed?

A tax refund could be delayed weeks or even months in some cases. The length of the delay may depend on how backed up the IRS is on processing tax returns, whether you turn around requested documentation quickly, and whether you need to file an amended return.

How do I know if my tax return has been flagged?

If the IRS decides that your return merits a second glance, you'll be issued a CP05 Notice 1 . This notice lets you know that your return is being reviewed to verify any or all of the following: Your income. Your tax withholding.

Why is the IRS taking so long to process my refund in 2025?

Income tax refund delays in 2025 (for the 2024 tax year) happen due to errors, fraud protection, claiming specific credits like EITC/ACTC (held until mid-Feb by law), missing info, or general IRS review, with increased scrutiny on identity theft and income mismatches leading to longer processing times. Common culprits include wrong SSNs, math errors, incomplete forms, and discrepancies with income reported by employers.

How long can IRS freeze your refund?

Yes, the IRS can freeze your refund and ask you to file if you have an unfiled return from a past year, especially if the IRS projects that you will owe taxes on that past return. The IRS will hold your refund for six months while it requests a filed return from you.

Is it normal to wait 6 months for a tax refund?

The IRS generally issues refunds within 21 days of e-filing, but paper-filed returns can take 6 to 8 weeks.