Letter 4883C.
Identity verification by phone with the Taxpayer Protection Program.
After you respond
Up to 9 weeks to receive the refund.
Forecast my refundPick this letter in the questions; the forecast counts from the hold.
What to do.
Call the TPP number printed on the letter; have the letter and the return. Do not file Form 14039.
Then.
Up to 9 weeks to receive the refund.
Use only the contact details printed on the letter or on irs.gov.
Questions people ask
Why did I get Letter 4883C?
Identity verification by phone with the Taxpayer Protection Program.
How do I respond to Letter 4883C?
Call the TPP number printed on the letter; have the letter and the return. Do not file Form 14039.
When will I get my refund after Letter 4883C?
Up to 9 weeks to receive the refund.
Sources
Checked against these sources on October 30, 2026.