1. Login to your Squarespace site and click on "Settings".
2. Scroll down the left sidebar and click on "Advanced".
3. Still on the left sidebar, find the "Code Injection" tab and click on it.
4. Once you're in the "Code Injection" panel, scroll down to find the "FOOTER" text editor field. In there, paste your ContactUs.com form's code and click on "SAVE". (Click here to see how to get your form's code)
5. Once you've saved the settings, your callout tab will show accordingly. Make sure to test it and please, take a look to the example we created.