Both the AD Code and Shipping Bill work in Tandem to provide a smooth shipment process. This links a business's bank details with customs clearance and integrates assistance to track foreign exchange and transaction verification. Both the shipping bill & AD code allow exporters to receive payment ideally. https://license-registration.weebly.com/blog/ad-code-and-the-shipping-bill-how-they-work-together-for-smooth-shipments