This screen lets you configure membership, waivers, and special categories for a shooter.
See the section on local club membership for information on that option.
Emergency contact info is described in the Version 3 changes.
Military Veteran is kept for backward compatibility. Although it isn't relevant for matches as of October 1, 2013, it is for your previous matches.
Note a few unusual hotkeys on the checkboxes - Alt+6 for Distinguished Senior, for example.