What causes delays in tax return processing?

Asked by: Prof. Rhett Howell DDS  |  Last update: October 13, 2026
Score: 4.5/5 (4 votes)

Tax return processing delays are primarily caused by errors (math mistakes, missing forms), identity theft/fraud checks, and claiming specific credits like the EITC or ACTC. Other common reasons include filing by paper rather than electronically, missing information, and having outstanding debt, such as back taxes or child support.

What to do if it's been 21 days and still processing?

If your return remains in the ``being processed'' status for more than 21 days, you may contact the IRS directly and ask for additional information. The IRS requests that you wait 21 days before contacting them but, you are past this waiting period. Select 4 ``for all other questions.''

Why is there delay in income tax return processing?

Key Reasons for Delay in ITR Processing FY 2024-25

Unusually high refund claims as compared to preceding financial years. Incorrect details in the return or differences between your ITR and the Income Tax Department's data.

Should I be worried if my tax refund is still being processed?

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. 

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.

HMRC Has Your Bank Data Now – What This Means for You

27 related questions found

What is the longest time to wait for a tax refund?

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. 

Why is it taking so long for my income tax to be processed?

Your tax return is taking long likely due to errors, incomplete info, identity theft/fraud concerns, claiming specific credits (like EITC), or offsetting old debts, with paper returns and IRS reviews adding more time. The IRS issues most refunds in under 21 days if filed electronically and error-free, but discrepancies or needed verification for credits like the Child Tax Credit (ACTC) or Earned Income Tax Credit (EITC) trigger holds. 

How long can the IRS hold your refund for review?

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 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.

What's the longest a refund can take?

Key takeaways. Most people receive refunds within three weeks if they e-file and choose direct deposit; paper returns can take six weeks or more. Filing accurately — especially when claiming credits like the Earned Income Tax Credit— helps prevent refund delays.

Why hasn't my IRS refund been approved yet?

Errors on or Incomplete Tax Returns: Your refund may be delayed for something as simple as a forgotten signature, mathematical errors or if the income reported by you doesn't match what your employer or other third-party payers have reported.

Can I call the IRS to see why my refund is delayed?

You may call us toll-free at 800-829-1040, M - F, 7 a.m. - 7 p.m.

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.

Should I be worried if my refund is still being processed?

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. 

Why is my tax refund taking so long to be approved in 2025?

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.

What are common reasons for refund delays?

What causes an IRS refund delay?

  • 6 Reasons for an IRS refund delay. ...
  • You took certain tax credits this tax year: ...
  • You have IRS debts: ...
  • The IRS flags an error: ...
  • The IRS suspects identity theft: ...
  • You need to file an old return: ...
  • You're under audit from a previous year:

How long is it acceptable to wait for a refund?

You must offer a refund to customers if they've told you within 14 days of receiving their item that they want to cancel. They have another 14 days to return the item once they've told you. You must refund the customer within 14 days of receiving the item back.

What IRS errors delay refunds?

A return can slow down if information does not match what the IRS already has from employers, banks, or other payers. This can include W-2 wages, 1099 income, withholding amounts, or even name and Social Security number formatting. Even a simple typo can cause the system to flag the return for manual confirmation.

How long can the IRS legally take to process your refund?

Processing your refund usually takes: Up to 21 days for an e-filed return. 6 weeks or more for returns sent by mail. Longer if your return needs corrections or extra review.

Why is my income tax return not processed yet?

Mismatched PAN and Aadhaar details: Errors in linking PAN with Aadhaar can delay verification. Pending filings or declarations: If previous years' returns are incomplete, refunds may be paused. Incorrect bank details: Refunds cannot be processed if bank account information is outdated or incorrect.

Can I speed up the refund process?

File Early to Get Your Refund as Fast as Possible

The earlier you file, the faster you'll get your refund. Plus, it can reduce your risk of falling victim to a tax scam. Sometimes scammers steal personal information to file a fraudulent return and pocket the money.