UPDATE – Did some more experimenting – the form builder doesn’t link the forms properly when using Safari – re-tried in Chrome – 100% success.
Thanks for the quick response!
I had configured correctly, I just did a bit of messing around and changed my ABN field name from “abn” to “abn1” and one of my text fields and the GST registered radio buttons field started working – I can’t seem to get any other fields working yet though, creating new fields doesn’t seem to help either.
Also, my configuration form seems to display slightly different to yours:
https://dl.dropboxusercontent.com/u/7596972/Screen%20Shot%202017-06-17%20at%2011.36.07%20am.png