[EricH]

Originally Posted by SuperNerd256

What's the age for an eligible driver?

DRIVER – a pre-college student team member responsible for operating and controlling the HOSTBOT. There are two DRIVERS per TEAM.

HUMAN PLAYER – a pre-college student team member that fills one of the ALLIANCE roles of FEEDER or ANALYST. There is one HUMAN PLAYER per TEAM.

(emphasis mine)

That is the definition of driver eligibility, as stated in Section 1 of the 2011 Manual. If you want age, you'll have to ask the GDC to impose that requirement. (Tip: Great way to cause a lot of annoyance to teams. Lousy use of the GDC's time.)