BAND   RANGE (GCI)    ETHICAL STATUS         ACTION LEVEL
A      0.95–1.00      Exemplar Coherence     Maintain / Publicly certify
B      0.85–0.94      Acceptable             Periodic review
C      0.70–0.84      At Risk                Immediate mitigation plan
D      0.50–0.69      Critical Drift         External audit required
E      <0.50           Failure                Suspend system / retrain