It's easy to set up the application system:
- click on "manage program".
- then click on "settings" in the "projects" tab or the "participants" tab , then click on "registration".
- finally, check the box "Active project submission for this program".
- In the participant tab for the registration, you can choose the date of the submission phase. For that, you have to click on "limit the opening of registrations to certain dates"