After selecting the package that suits you, choose PayPal for payment. Once the payment is complete, you will be redirected back. Click on "NBD Customs Data Query Platform" in the top left corner to begin your query. If you want to view your purchase history, you can also click on the personal section in the top right corner. Here, you will see your current account status and a button to enter the system, allowing you to access the system from this point.
For future use, you can directly enter the query platform's URL: https://data.nbd.ltd/en/login. Log in with the same username and password used during registration, so you can use the query system directly without going to the homepage.