If a paintball breaks on any part of your body or equipment you are out, so that includes your head, your gun, your pods etc. If the paint is just splatter that you are not out, but sometimes it is difficult for the marshall to know if the paint is splatter or a true break.
They will fill your CO2 bottle for you (included in the price) and they will soon be having a compressor installed for those of us who use compressed air instead of CO2.