Section 3.162 - Mechanics of risk-weighted asset calculation(a) If a national bank or Federal savings association does not qualify to use or does not have qualifying operational risk mitigants, the national bank's or Federal savings association's dollar risk-based capital requirement for operational risk is its operational risk exposure minus eligible operational risk offsets (if any).(b) If a national bank or Federal savings association qualifies to use operational risk mitigants and has qualifying operational risk mitigants, the national bank's or Federal savings association's dollar risk-based capital requirement for operational risk is the greater of:(1) The national bank's or Federal savings association's operational risk exposure adjusted for qualifying operational risk mitigants minus eligible operational risk offsets (if any); or(2) 0.8 multiplied by the difference between:(i) The national bank's or Federal savings association's operational risk exposure; and(ii) Eligible operational risk offsets (if any).(c) The national bank's or Federal savings association's risk-weighted asset amount for operational risk equals the national bank's or Federal savings association's dollar risk-based capital requirement for operational risk determined under sections 162(a) or (b) multiplied by 12.5.