Jewelry, earrings and studs are not allowed under any circumstances. Medical alert bracelets may be worn, but must not be dangling in a dangerous manner. If they are taped the alert message must still be clearly visible.
While referees have some lattitude in determining the safety of certain items, e.g. soft hair bands or bows which might be considered as jewelry, they do not have any discretion concerning earrings and other jewelry that is worn in a clearly visible body piercing. These items are strictly forbidden, and must be removed.
Referees and coaches that knowingly allow players to violate this policy may face disiplinary action and increase their personal legal liability in case of accident.