CP75· Examination / audit
CP75 — Audit of refundable credits
- Category
- Examination
- Urgency
- Date on notice
- Response window
- see notice
- Key form
- —
Respond by the date printed on your individual notice.
Why the IRS sent this
Selection for audit of refundable-credit claims (random sampling, computer screening, or third-party data mismatch).
Response window
The IRS detail page for CP75 does not state a fixed day count. The response-by date is printed on your individual notice — read the date at the top-right corner.
What to do
Required action
Submit requested documentation via the Document Upload Tool, fax, or mail by the date on the notice.
Appeal path
Independent Office of Appeals
Audit reconsideration. The Independent Office of Appeals is available if disagreement persists after the exam closes.
Pub 5Notes from the primary source
Specific response date is printed on the individual notice. Audit-reconsideration / Independent Office of Appeals path is by IRS doctrine (Pub 3598, Pub 5), not stated on the CP75 detail page.
Go deeper
Educational pillars for this notice
Calm-corrective
Only the IRS can resolve your notice
We are not a CPA firm, not a law firm, not an Enrolled Agent firm, and not affiliated with the IRS. We don't accept payments on your behalf, settle your debt, or call the IRS for you. What we do: explain what your notice means, point you to the right IRS form, cite the statute that authorizes the action, and surface the appeal path. Then you call the number on the notice, file the form, or hire a licensed professional.
Related notices
Likely next or sibling codes
- Letter 4464CThe IRS is verifying income, expenses, and credits on your return before issuing a refund. The…
- CP79Notification that one or more refundable credits (EITC, AOTC, CTC, ACTC, ODC) were disallowed in…
- Letter 3164Notification that the IRS plans to contact third parties (banks, employers, neighbors) about…
Source
Verified against the official IRS detail page on irs.gov/individuals/understanding-your-cp75-notice. Always re-verify against the IRS page before acting.