A. Reconciliation of trading positions, per trading book and per security - between the trading department and operations

B. Reconciliation of settled positions, per trading book and per security - between operations and the firm's custodian

C. Reconciliation of trading positions, per trading book and per security - between the firm's counterparty and the firm's custodian

D. Reconciliation of settled positions, per trading book and per security - between the trading department and operations