Letter 5747C· Identity verification
Letter 5747C — Identity verification (in person)
- Category
- Identity verify
- Urgency
- Date on notice
- Response window
- see notice
- Key form
- —
Respond by the date printed on your individual notice.
Why the IRS sent this
Filed return flagged by IRS identity-protection filters; in-person verification required.
Response window
The IRS detail page for Letter 5747C 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
Schedule an in-person appointment at a Taxpayer Assistance Center with the required documents and government-issued ID, or call the Taxpayer Protection Program hotline if you did not file the return.
Appeal path
Informal — call the IRS
Informal — in-person verification with the IRS.
Notes from the primary source
Higher-friction identity verification than 5071C / 4883C; typically used when prior verification attempts failed or the case requires in-person ID. Detail page states return processing may take up to nine weeks after identity is verified.
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
Source
Verified against the official IRS detail page on irs.gov/individuals/understanding-your-letter-5747c. Always re-verify against the IRS page before acting.