Additionally, Handling Disruptive / Unruly Passengers,” which identifies the need for a policy that addresses prevention, training, periodic re-training, handling problem passengers, categorizing of incidents, reporting of incidents, the Captain’s responsibility, prosecutions, communication, and procedures to be followed for boarding, inflight, underage passenger issues ( e.g. alcohol service ), and alcohol/smoking situations. In addition, Operational Safety Audit ( IOSA ) Standards and Recommended Practices ( ISARPs ).