Instructor-led discussion of officer responsibilities for accountability and incident safety. Officer selects focus. Topics that fit this sheet include: NFPA 1561 accountability requirements (passport system, T-card system, electronic accountability), tracking crews on the fireground (staging, division/group assignments, work-rest, air management), Personnel Accountability Reports (PAR) at benchmarks (15-min, water-on-fire, primary search complete) and emergencies (mayday, evac, structural collapse), Incident Safety Officer (ISO) duties per NFPA 1521 (size-up, hazard identification, monitoring crews, recommending withdrawal, post-incident analysis input), the 2-in / 2-out rule (OSHA 1910.134(g)(4) — must have RIT or two qualified outside before two qualified inside in IDLH), Rapid Intervention Crew / Team (RIC / RIT) deployment criteria, working in IDLH atmospheres and SCBA accountability, identifying collapse zones and exclusion zones, mayday response and command actions, evacuation signal and execution, and post-incident worker compensation / exposure documentation. Reference: NFPA 1500, NFPA 1521, NFPA 1561, NFPA 1407, OSHA 1910.134. Document specific topic covered.