How to Fax Documents to the IRS for a Notice
How to send an IRS notice response by fax
- Find the CP or LTR number on the notice. Read the response instructions and due date, and confirm the fax option applies to your response.
- Verify the exact destination. Use the fax number stated in the notice or provided for your case through an official IRS channel.
- Gather the requested response sheet and supporting documents. Use the references and identifying details the instructions require.
- Upload the response to a Fax draft. Review the combined PDF for the tax year, readable amounts, required signatures and all requested pages.
- After sending, keep the notice, final PDF and delivery result together. Follow the notice instructions if you need confirmation from the IRS.
Where to find the right IRS fax number
Look in the part of the notice that tells you how to respond. The IRS handles different notices and forms through different offices. A fax number listed for another type of response may send your paperwork to the wrong place. Search the notice number on IRS.gov or use official IRS contact details if the instructions are unclear.
Check the permitted submission channels before starting. Some notices can be answered with the IRS Document Upload Tool. If your notice directs you to upload or mail the response, use the channel it specifies. If it permits fax, build the packet around the pages requested for that notice.
Put the response sheet and supporting documents in order
A notice may ask you to return a response sheet and copies of specific documents for a particular tax year. Start with its attachment list. Put the response sheet where directed and follow it with the requested evidence in the specified order. Keep the originals unless the notice asks for them.
Read small figures and names in the Fax preview before you send. If you scanned a statement, check that the identifying header and the relevant line items both appear on the page. Add identifying details only where the IRS instructions ask for them, including on the cover sheet if required.
Keep the transmission result with your notice
Record the transmission date, destination and fax reference next to your copy of the response. If delivery fails or is still pending close to the deadline, use the official instructions to decide how to follow up. Check the result before sending another copy.
The Fax delivery record shows the result reported by the provider. The IRS may still need to match the response to your notice and review it. Use the contact or follow-up method in the notice to check processing when needed.