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I cloned your form and I found out that you have 1 notification and 1 auto-responder. I can also see 2 Change Email Recipients condition.
Also, the Form Collapse tool is not hidden, therefore any user can open it. You need to create a condition where the Form Collapse tool will appear only if the condition is met. You will be using the Show/Hide Field condition for that.
Please check this thread (https://www.jotform.com/answers/908520) where I provided a work around for another user.
If you need further assistance with this or the thread I provided is not enough, let us know. Thank you.