That support article is intended for advertisers with big media spending and ad campaigns planned for youtube; they get free branding features when they commit to spending $100,000+ in Adwords campaigns.  I'm sure that is not what you're looking to do.

 

The "youtube account team" email is here: http://www.youtube.com/advertise_signup?full=1

 

If you were looking for the branding features that used to be given out to the old 'full' partners, they aren't being given out to new partners at this time.