I am unable to add Tab or App to Facebook

I have tried following "How to Add A Form to Your Facebook Page" but it is not allowing me to add a Tab to my facebook page or to JotForm.

qwelove

I just tried this guide: http://www.jotform.com/help/22-Adding-Form-to-Facebook

The tab was added: 

Have you checked your Facebook page?

The other option would be through Custom Iframe App: http://www.jotform.com/help/82-Adding-Form-to-Facebook-Custom-iFrame-App-