Remove This — Application Was Created By A Google Apps Script User

The method to remove the message depends entirely on who will use the app.

If you own a (Business, Enterprise, or Education) account and deploy the script so only "People within [Your Domain]" can access it, they will not see the banner. The method to remove the message depends entirely

If you are distributing your script to users outside your organization (e.g., a public web app, a marketplace add-on, or a tool for multiple clients), you must go through Google’s formal verification process. When a web app is viewed through an

When a web app is viewed through an iframe on a Google Site , Google typically suppresses the author warning banner. a public web app

: If you're using a custom UI (like an HTML service), ensure that the notice isn't hardcoded into the HTML or the script's interface settings.