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Ports / MRN Closure

Missing IE599 for Export via Hamburg Port (DE HAM)

Updated: March 2026Reading time: ~8 min

Hamburg (UN/LOCODE: DE HAM) is Germany's largest port and Europe's third-largest container port. Customs clearance operates through the ATLAS system (Automatisiertes Tarif- und Lokales Zoll-Abwicklungs-System) managed by Bundeszollverwaltung. Electronic data exchange between logistics participants is handled by DAKOSY — Hamburg's Port Community System.

DAKOSY System — How Does It Work?

DAKOSY Datenkommunikationssystem AG is the Port Community System operator in Hamburg, active since 1982 and connecting over 2,000 companies and institutions. DAKOSY is one of the world's most advanced digital port systems.

Key components for the export procedure:

  • EMP/ZAPP (Export Management Platform / Zoll-Ausfuhrüberwachung im Paperless Port) — platform automating the 2nd phase of the AES procedure at port level, linking export data with the ATLAS customs system
  • ATLAS-AES (Automatisiertes Tarif- und Lokales Zollabwicklungssystem) — Germany's customs system with an AES module for export handling
  • Port Order — electronic port order registered in the EMP/ZAPP system

DAKOSY EMP/ZAPP provides real-time export status tracking (Containerstatus in Echtzeit) and automatic integration with the ATLAS customs system. For a detailed guide on the Z Number registration process, see our article on Z Number (ZAPP) — Export Registration in Hamburg.

MRN Closure Procedure in Hamburg

  1. Export declaration in ATLAS — an Ausfuhranmeldung is submitted in the German ATLAS system and the MRN is assigned
  2. Port Order in DAKOSY EMP/ZAPP — an electronic port order with container data and the MRN is registered in the EMP/ZAPP system
  3. Container delivery to terminal — the container is accepted at the designated terminal and data is verified in the system
  4. Vessel loading — loading confirmation is automatically transmitted from EMP/ZAPP to ATLAS
  5. IE507 + IE590 — export confirmation messages are generated by ATLAS
  6. IE518 — results are sent to the Polish customs office of export
  7. IE599/CC599C — export confirmation is issued by the AES/ECS2 PLUS system
Sounds complex? You don't need to know these systems — contact us and we'll take care of the entire process.
Note: If the export declaration was filed in Poland (Polish MRN) and goods left through Hamburg — this is an indirect export. Communication between the Polish and German customs systems is automatic, but this is precisely where problems most commonly occur.

Why MRN May Not Be Closed in Hamburg

  • Data mismatch in Port Order vs. data in the export declaration — e.g., different container number, different weight
  • Missing Port Order in EMP/ZAPP — the port order was not submitted or was submitted late
  • Delays in the 2nd AES phase — export closure at port level requires data processing through ATLAS
  • Container not loaded onto the planned vessel — transhipment to another vessel without data update
  • Changes in declaration codes after AES PLUS deployment — new message formats may cause transitional issues
  • Different procedures at HHLA vs Eurogate terminals — each operator has its own internal processes

How We Help

  1. Diagnostics — we check the MRN status in the context of Hamburg port, verify whether the Port Order was submitted and processed
  2. Contact with DAKOSY and Hauptzollamt Hamburg-Stadt to determine the cause of the blockage
  3. Evidence collection — loading confirmation from HHLA/Eurogate terminal, vessel manifest, Track & Trace
  4. Coordination with Polish customs — initiating the enquiry procedure with documentation (Art. 335 UCC-IA)
  5. Obtaining IE599/CC599C

What We Need From You

  • MRN of the export declaration
  • Port Order or booking number with the carrier
  • Container number and seal data
  • Bill of Lading (B/L)
  • Exporter's EORI number
  • Terminal name in Hamburg (if known)

Key Terminals in Hamburg

  • HHLA (multiple container terminals)
  • Eurogate Container Terminal Hamburg
  • UNIKAI

Frequently Asked Questions

What is ATLAS and how does it affect my IE599?

ATLAS is Germany's electronic customs clearance system operated by Bundeszollverwaltung. In the export procedure, ATLAS manages the declaration status — when the office of exit in Hamburg confirms the export in ATLAS, the ECS system generates IE599/CC599C. Technical issues in ATLAS can delay or block this message.

What is DAKOSY?

DAKOSY AG is the Port Community System (PCS) for the Port of Hamburg — an electronic platform connecting shipping lines, terminals, customs agents, and carriers. Delays in data transmission through DAKOSY can affect MRN status in ECS.

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Email: kontakt@potwierdz-wywoz.pl

See also: Bremerhaven — BHT | Wilhelmshaven — WHT

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Legal notice:The information in this article is for general informational purposes only. It does not constitute legal or customs advice. For individual matters, we recommend consulting a licensed customs agent.