> ## Documentation Index > Fetch the complete documentation index at: https://docs.athelas.com/llms.txt > Use this file to discover all available pages before exploring further. # Setting up Co-signers on Your Note If a note needs a **co-signature** from a referring provider, you can fax the encounter to them directly from the chart note. ## Add a co-signer 1. In the chart note, open the **co-signer** dropdown. 2. **Select the referring provider's name** from the list. 3. **Enter their fax number**. 4. Send the encounter to fax them the note for co-signature. Co-signer dropdown with a referring provider selected and a fax number entered