A tax refund is often placed under review to verify information for accuracy, prevent fraud, or address inconsistencies like mismatched W-2/1099 data, claimed credits (EITC/ACTC), or missing documentation. Reviews are commonly triggered by automated systems flagging anomalies rather than intentional dishonesty, and the process can take 45 to 180 days.
This notice indicates that your tax return is under review for accuracy regarding income, tax withholding, and credits. If you receive a CP05 notice, you do not need to take any action. The IRS asks that you wait 60 days from the notice date to contact them to allow them time to review your return.
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.
Tax returns and refunds
Some tax returns need extra review for accuracy, completeness, and to protect taxpayers from fraud and identity theft. Returns that fall into this category can take longer to process. Disaster-related returns may take longer to process than tax returns not claiming disaster relief.
The stages of an IRS refund are: (1) Return Received, where the IRS acknowledges receipt of your return; (2) Return Reviewed, where the return is checked for accuracy; and (3) Refund Approved/Sent, where the refund amount is finalized and issued.
An important function of the Joint Committee staff is to evaluate whether provisions of the tax law operate as intended or cause unintended administrative, interpretive, or statutory results.
A review does not automatically mean you are being audited. The IRS may only want to verify some details. If concerns persist, they might request more information. Most reviews end without a full audit.
You generally shouldn't worry if your refund is "still being processed," as it means the IRS is working on it, but it might take longer than the typical 21 days due to common issues like errors, incomplete information, or claiming credits like the EITC/ACTC. Worry only becomes necessary if you receive an IRS letter requesting more information or if the "Where's My Refund?" tool shows a specific problem like fraud, but typically, it just means a longer wait, not no refund at all.
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.
There's no strict maximum limit for how long the IRS can hold a refund, but they must pay interest after 45 days; while most e-filed returns take 21 days, returns needing extra review for errors, fraud, or certain credits (like EITC/ACTC) can take months (45-180+ days), and amended returns can take 8-16 weeks, with unfiled returns having an indefinite delay until filed.
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 causes an IRS refund delay?
If your transcript still shows code 570 after six months, the refund may be stuck in review. Call the IRS at 800-829-1040 and ask for a refund-hold review to see what's causing the delay. If it's been over 120 days, you might reach out to the Taxpayer Advocate Service since sometimes they can escalate stalled cases.
Processing your refund usually takes: Up to 21 days for an e-filed return. 6 weeks or more for returns sent by mail.
Use the IRS Where's My Refund tool or the IRS2Go mobile app to check your refund online. This is the fastest and easiest way to track your refund. The systems are updated once every 24 hours. You can contact the IRS to check on the status of your refund.
Get your refund faster
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 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.
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.
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.
The main 2025 tax refund delay reasons include errors or incomplete information on returns, claims for the Earned Income Tax Credit or Additional Child Tax Credit, identity verification processes, amended returns, and offsets for outstanding debts. Paper returns and bank processing times can also contribute to delays.
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.
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.
Under Review: Your application is in the pre-screen phase, which could include recruiter review, hiring manager review, and/or initial phone interview. Interview: You have been invited to and are participating in the formal interview process.
Common IRS audit triggers