IRS Notice CP21C: Changes you requested — no balance
Quick answerThe IRS made the changes you requested, and your account now has a zero balance — nothing owed and no refund.
Letter / noticeCP21C
MeaningChanges you requested — no balance
Action needed?Usually no
What happens next
Informational only.
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What you should do
- No action needed
- Keep the notice with your tax records
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 CP21C mean?
The IRS made the changes you requested, and your account now has a zero balance — nothing owed and no refund.
What should I do?
No action needed Keep the notice with your tax records
How long does it take?
Informational only.
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.