Yes, the AD code (Authorized Dealer Code) can be different for each port. Authorized Dealer Codes are unique identifiers assigned to individual dealers or entities that have been authorized to conduct specific business activities. In the context of ports, different ports may have their own unique AD codes to identify and differentiate authorized dealers operating within their jurisdiction. These codes help in tracking and monitoring the activities of authorized dealers, ensuring compliance with regulations, and facilitating efficient operations within the port environment.