Final answer:
During a Box Count, the BD must verify the status of all securities subject to its control but not in its physical possession, such as securities in transfer or in transit, where this situation has existed for more than 5 days.
Step-by-step explanation:
During a Box Count, the BD (Broker-Dealer) must verify the status of all securities subject to its control but not in its physical possession, such as securities in transfer or in transit, where this situation has existed for more than 5 days.