Each camper must have their information filled out in on the registration site. In addition, each person attending must bring a BSA Medical Form. Part A and B are required for all camps. Part C is required for any camps lasting more then 72 hours (3-Night Cub Scout Overnight and Webelos/AOL Overnight).
The BSA Medical Form can be found at https://www.scouting.org/health-and-safety/ahmr/