# Fax your CP06 documents (premium tax credit) to the IRS

Fax your completed Form 8962 and supporting documents for a CP06 notice to the IRS at 855-248-1866, within 30 days of the date printed on the notice.

## Fax numbers

| Who | Fax number |
| --- | --- |
| CP06 premium tax credit audit documents | 855-248-1866 |

## Before you fax

- Form 14950, Premium Tax Credit Verification, lists the documents to send. Complete a copy of Form 8962, Premium Tax Credit, too.
- Send all your documents at the same time, and make sure they are easy to read.
- The IRS prefers its Document Upload Tool; fax is the next option, then mail to the address at the top of the notice.
- With a CP06 the IRS holds all or part of your refund until the audit is complete.
- Need more time or help? Call 866-897-0161.

## Steps

1. Complete Form 8962 and gather the documents Form 14950 asks for.
2. Scan or photograph every page, clearly.
3. Enter 855-248-1866 and add everything in one fax.
4. Send within 30 days of the notice date, and keep the delivery receipt.

## Questions

**What is the CP06 fax number?**

855-248-1866.

**How long do I have to respond?**

30 days from the date printed on the notice. If the IRS doesn't hear from you, it sends an updated audit report with the proposed changes.

**Can I use an online fax service?**

Yes. The IRS says you can fax using a fax machine or an online fax service, and asks you to understand the service's privacy and security policies.

**Does the number change?**

It can. We compare it with IRS.gov regularly; the date we last checked is at the bottom of this page.

## Sources

- [Understanding your CP06 notice, IRS.gov](https://www.irs.gov/individuals/understanding-your-cp06-notice), checked 2026-10-12

Send this fax online: https://pagefax.net/fax-cp06-premium-tax-credit-documents. PageFax is an independent fax service and is not affiliated with any government agency.