How to Automate ENS Multiple Filing for Seamless Customs Compliance

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Optimize Your ENS Process with Smart Automation

If you work with EU import regulations, you know that submitting an ENS through ICS2 is mandatory. But what if critical shipment data is spread across multiple stakeholders? ENS Multiple Filing allows carriers, freight forwarders, and importers to submit partial data separately, which is then linked by ICS2.

Let’s break it down and explore how automation can streamline the process.

What is ENS Multiple Filing?

In a traditional ENS submission, a single party provides all required details. However, when different supply chain actors hold specific data, multiple filing enables each to submit their portion independently. ICS2 then links the filings using a unique key:

Carrier EORI (identifies the transport provider)
Master Transport Reference (e.g., bill of lading number)
House Filer EORI (identifies the freight forwarder/importer)

Why Multiple Filing Matters?

✔ Decouples ENS data submission among multiple parties.
✔ Ensures compliance even when complete data isn’t available upfront.
✔ Prevents delays & penalties by submitting accurate, structured data.

Automating ENS Multiple Filing: A Developer’s Perspective
If you're a developer working on customs automation software, consider these:

1. API-Driven Data Submission
ICS2 supports structured data exchange—leverage REST APIs for real-time ENS submission.
Automate ENS linking using the carrier's EORI, transport reference, and house filer’s EORI.
2. Data Validation & Error Handling
Implement pre-validation scripts to check missing fields before submission.
Use event-driven triggers to notify stakeholders of incomplete ENS data.
3. Secure Data Sharing & Role-Based Access
Enforce role-based access control (RBAC) for different ENS contributors.
Use encryption & secure transmission protocols to protect sensitive shipment data.

Real-World Use Case: London to Hamburg Shipment

A UK-based carrier submits a partial ENS (master-level data), while a German freight forwarder submits the house-level details separately. ICS2 links them using a unique identifier, allowing customs in Germany to process the shipment without delays.