There's actually a more complete explanation of the VADCFLL policy
regarding Divisions on the FAQ page of the VADCFLL website, under
Tournaments and Registration:
5) What are the age divisions and what do they mean for my
team?
A: If all your
team members are 11 or younger as of January 1, then they are a
Division 1 team. If at least one team member is 12 or older as of
January 1, then your team is in Division 2. One exception to this -
if a team that is designated division 1 by team member ages would
like to "play up" and compete as a division 2 team, they may elect
to do so by sending an email to [log in to unmask]. However, under no circumstances
can a division 2 team compete in division 1. Teams may register for
any regional tournament, regardless of division, and they will be
competing against other teams within their division. The division number will
be automatically assigned once team member birth dates are filled
in, so it is very important that team member birthdates be
complete and accurate.