IRS Notice CP75: Audit — refund held, documents needed
Quick answerThe IRS is auditing your return and holding all or part of your refund. It needs proof for credits such as the Earned Income Credit, Additional Child Tax Credit or Premium Tax Credit.
Letter / noticeCP75
MeaningAudit — refund held, documents needed
Action needed?Yes — see steps
What happens next
Respond by the date on the notice — no response means the credits are usually denied.
Advertisement
What you should do
- Send the documents listed (school or medical records showing residency, etc.)
- Include the response form
- Keep copies
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 Notice CP75 mean?
The IRS is auditing your return and holding all or part of your refund. It needs proof for credits such as the Earned Income Credit, Additional Child Tax Credit or Premium Tax Credit.
What should I do?
Send the documents listed (school or medical records showing residency, etc.) Include the response form Keep copies
How long does it take?
Respond by the date on the notice — no response means the credits are usually denied.
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.