In our current implementation of Change Draft phase, we have couple of mandatory fields and non mandatory fields. Currently Submit RFC button will be visible only when all the mandatory fields are filled on the Draft phase form. Once all the mandate fields are filled in then button will be visible and if we click on the Submit RFC button it is moving to next phase .(Change review phase in my case.). But we wanted to change the fucntionality of current RFC button little differently. We wanted to have it available always on the Draft phase irrespective of whether all the mandate fields are filled in or not. if any of the mandate fields are not filled and if the user still clicks on submit RFC button it should not move to next phase untill all the mandate fields are filled in. It should move to next phase only if all the mandate fieldsa are filled in.
Please can you guys explain the logic or area to change my current configuration differently as per my need explained above?