Why can't the submit button appear on the last tab only?
Award Force allows entrants to complete their entry in any order they like after completing the required first tab. This 'Start here' tab (previously called 'Details') is where a category is selected and an entry name is assigned. In keeping with this principle, a user can also submit their entry from any tab, provided their entry is complete. While it's not possible to restrict submission to the last tab only, entrants will still need to complete all the information before they can successfully submit their entry.