IRS Notice CP81: Return not filed — refund at risk

Quick answerThe IRS has a credit on your account but no return for that year. You may be owed a refund, but only if you file before the refund deadline (generally 3 years).

Letter / noticeCP81

MeaningReturn not filed — refund at risk

Action needed?Yes — see steps

What happens next

If you don't file in time, the refund is lost.

What you should do

File the return as soon as possible
If you already filed, send a copy

IRS Notice CP81 explained: Return not filed — refund at risk — what it means and what to do next — Save this quick guide for later — share it or pin it.

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 CP81 mean?

The IRS has a credit on your account but no return for that year. You may be owed a refund, but only if you file before the refund deadline (generally 3 years).

What should I do?

File the return as soon as possible If you already filed, send a copy

How long does it take?

If you don't file in time, the refund is lost.

Sources

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.