Don't know but if you ever want to delete your account once you change your Apple account to a developer account it's not that easy to delete.

Took me two months of emails going around in circles to delete my account...

After you kiss Tim Cook's ring.

Should be quick. Anywhere from 1-20 minutes I guess.

I don’t remember having to wait, was for a limited company with a DUNS number. Not sure if that matters.