Links you might find helpful:
FIM Regulations: This is the link to the 2014 World Superbike and Supersport Regulations. Section 1.23 contains the flagging information for the FIM sessions. Much more information is there to find.
AMA Proracing Regulations: This is the link to 2014 AMA roadracing rulebook. Section 2.16 contains the flagging information for the FIM sessions. As above, much more is there to find.
Mazda Raceway Laguna Seca: Our hosts.
If you want to work other motorcycle events, club racing is the best place to start. There are many more races during a weekend and many more bikes in most races than pro events, so lots of opportunities for hands-on experience. One of the best is the AFM. For corner workers The Crew and Nuts & Bolts sections will get you started.