Type the admin password. After it is accepted, the sitemap lists every tool. Mint, people, and reup are not on this screen.
Navigate from this map. Nothing here is on the public door.
Type the person you are giving the code to. Then mint. Text the code. Keep the receipt.
Click a person. Three options appear: delete that code, send an email, or reup that code.
Find the row by receipt. Set it unused. Keep the same code and the same receipt.