The transition from AGS to DMS has the full attention of almost all Dutch economic operators, however, there are also changes in the AES process. For this reason we would like to inform you in detail about the expected changes in the "Exit from the EU" process, known as AES (Automated Export System) Exit. Some of these changes may impact your current operations! The changes are due to amended EU regulations (Union Customs Code) and affect the registration of goods leaving the EU.

What is AES Going Out? AES stands for Automated Export System, a European automated system that supports the nightlife process. The introduction of AES Uitgaan will replace the current Export Control System (ECS). The purpose of AES Uitgaan is to better and more efficiently control which goods leave the EU. Between May 8 and November 30, you need to switch to AES. During this transition period, you can still submit old ECS messages. Once you switch over, you will be able to submit AES messages. After November 30, it is no longer possible to submit old ECS messages.

The Netherlands must comply with the requirements of the Union Customs Code (DWU) and AES Exit by the end of November 2023. This means that companies and stakeholders must take action and make the necessary adjustments to their systems for registering goods leaving the EU. 

Stream Software has built an application that focuses on the "Arrival at exit" (AAX) data within AES exit, this in addition to the functionalities already present for port community systems Portbase and Cargonaut. Goods shipments leaving the Union customs territory must be presented at the customs office of exit. This is the customs office where the outgoing goods are loaded into or onto the outgoing means of transport. Presentation is done by reporting the arrival of the goods at the customs office of exit to the customs at that office. With the introduction of AES (Automated Export System), the following changes apply: 

  1. All goods leaving the customs territory of the Union must be presented at the customs office of exit. The existing exemption from the presentation requirement where the customs office of export is the same as the customs office of exit will lapse. Under AES, the arrival of each consignment of goods at the place where it will be loaded onto the outbound (air) vessel must be reported to Customs (Arrival at Exit notification - 'AAX').
  2. Electronic Arrival Notification (AAX): The arrival notification at the customs office of exit (AAX) must be done electronically. The data set of the AAX is modified to allow the person presenting the shipment to the customs office of exit ("Trader at Exit") to report differences between the goods declared and the goods presented. These differences include the actual quantity presented, differences in commodity type, and information about repackaging or loading into a container.
  3. Change in filing time AAX: The filing time for the arrival notification at the customs office of exit (AAX) is reduced to the time of arrival at the place (the customs office of exit) where the goods are loaded in or on the outbound means of transport by which they leave the Union customs territory. This means that the AAX must be filed before the goods are loaded in the outbound (air) vessel or have left the Union customs territory.

Purpose of the AAX: The AAX serves to report the arrival of the goods at the point of exit to Customs so that Customs: 

  1. can verify that the goods are in the same condition as at the time of the export or re-export declaration, 
  2. can release the goods for exit, and 
  3. can oversee going out.

We should note two exceptions:

  • Placement under the transit procedure: The waiver of the obligation to present goods declared for export or re-export at the customs office of exit remains if the goods are placed under the transit procedure. In this situation, the goods must already be presented in order to be placed under the transit procedure, and the customs office of departure of the transit procedure is also the customs office of exit.
  • Provision and bunker shipments: The exemption from the obligation to declare provisions and bunkers declared for export or re-export to Customs also remains. The electronic pre-notification ("PRO message") sent by the provisioner/caterer/bunker regarding the delivery to Customs, including the time of delivery, is considered as "presentation to Customs.

Note: As of the introduction of AES, a late AAX will therefore no longer be accepted. This means that the exit of the goods will not be confirmed to the customs office of export and the declarant of the export or re-export declaration. The declarant then does not receive a Confirmation of Exit (CoE), unless he still demonstrates the exit to the customs office of export with alternative evidence (the so-called enquiry procedure).

Anyone confronted with the application of goods for release in the Netherlands should contact the Stream Software Sales Team(

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