If an application was rejected, the person will not be able to apply to that corp again unless the old application is deleted. First open the admin console by going to https://nut.whatiswr0ng.com/admin/ or clicking the link

Scroll down to the HRAPPLICATIONS section and click Applications

Find the application in the list and click the check box next to it. From the action drop down, choose “Delete Selected Applications” and click the “Go” Button

Review the deletion and click “Yes, I'm Sure” to confirm deletion

You've deleted the old application. If necessary let the person know they can now put in a new application.