IRS Letter 4800C: Wages or withholding need verification
Quick answerThe IRS questions the income, withholding or refundable credits on your return and needs information before it can finish processing.
Letter / notice4800C
MeaningWages or withholding need verification
Action needed?Yes — see steps
What happens next
Respond by the date on the letter; the refund is held until then.
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What you should do
- Send copies of W-2s, 1099s and pay stubs as requested
- Include the response page
Scam check: the IRS first contacts you by mail. Use only the phone numbers printed on your letter or on IRS.gov — never ones from a text, email or unofficial site.
Frequently asked questions
What does IRS Letter 4800C mean?
The IRS questions the income, withholding or refundable credits on your return and needs information before it can finish processing.
What should I do?
Send copies of W-2s, 1099s and pay stubs as requested Include the response page
How long does it take?
Respond by the date on the letter; the refund is held until then.
Sources
- IRS: Understanding your IRS notice or letter
- IRS: Get Transcript
- Taxpayer Advocate Service (independent help inside the IRS)
Written by the editorial team and checked against the official sources above. See our editorial policy.
By the TranscriptCodes Editorial Team · Last reviewed 2026-11-12.