A CBP 7512 form will be used by the U.S. Department of Homeland Security and the U.S. Customs and Border Protection branch. This particular customs form is known as the Transportation Entry and Manifest of Goods form. It will be used when someone is transporting goods to the United States. This form is typically used at ports of entry that are receiving shipped goods. You will need to list the port of entry on this form, as well as where the goods were exported from. Dates that the goods left the previous country and arrived in the United States are required. A detailed list of goods and merchandise will need to be included for safety reasons. This form will have detailed instructions to help you ensure it is filled out completely.