iENS & ICS2 – Frequently Asked Questions – Page 2 | iCustoms

iENS & ICS2 – Frequently Asked Questions

Are there specific deadlines for submitting Entry Summary Declarations (ENS) by transport mode?

Yes, the deadlines vary depending on the mode of transport:

Air Freight

  • Short-haul flights (under 4 hours): Submit before take-off.
  • Long-haul flights (over 4 hours): Submit at least 4 hours before arrival.

Sea Freight

  • Containerised cargo: Submit at least 24 hours before loading at the port of departure.
  • Bulk or break-bulk cargo: Submit at least 4 hours before arrival.

Road Freight (RoRo)

  • Accompanied or unaccompanied RoRo traffic: Submit at least 2 hours before the ferry operator’s arrival.

Rail Freight

  • Short journeys (under 2 hours): Submit at least 1 hour before train arrival.
  • Long journeys (over 2 hours): Submit at least 2 hours before train arrival.

What happens if I miss the ICS2 (ENS Submission) deadline?

Missing the ICS2 deadline can have serious consequences:

  • Goods may be denied loading at the time of departure; you may receive a Do Not Load (DNL) notification from authorities. 
  • Fines or penalties may be imposed by customs authorities.

Increased inspections upon arrival, leading to further delays and costs.

Who is the ENS declarant in multiple ENS submissions?

The ENS declarant is the person or company responsible for lodging the Entry Summary Declaration with customs. In multiple submissions, this can vary:

  • Carrier: For sea, air, rail, or road, the carrier usually files the master ENS.
  • Freight forwarder: May file house-level ENS for individual consignments.
  • Courier/postal operator: Files ENS for express or postal shipments.
  • Trader (seller or buyer): Responsibility depends on Incoterms and who arranges transport.

The declarant can also appoint a customs representative to submit on their behalf.

What are the risks of not complying with ICS2?

Non-compliance with ICS2 can lead to serious consequences, including:

  • Delays or refusal of entry: Goods may be held at the border until the required data is provided.
  • Fines and penalties: Customs authorities can impose significant financial penalties.
  • Increased inspections: Non-compliant shipments may face more frequent security checks.

Reputational damage: Persistent non-compliance can harm relationships with carriers, customers, and authorities.

What is the ICS2 implementation timeline?

The ICS2 (Import Control System 2) rollout is divided into three phases, each targeting different transport modes and supply chain actors:

  • Release 1 (15 March 2021)
    Applied to express carriers and postal operators handling goods entering the EU by air.
  • Release 2 (1 March 2023)
    Extended to air cargo general transport, including airlines, freight forwarders, and ground handlers, requiring both master and house-level ENS filings.
  • Release 3 (3 June 2024 – 1 September 2025) Covers maritime, road, and rail shipments. Carriers, freight forwarders, and logistics providers must submit advance ENS data for these modes.

Each release has a progressive implementation window, allowing businesses to adapt their systems before full enforcement.

Does ICS2 apply to the UK?

ICS2 does not apply to Great Britain (England, Scotland, and Wales) but does apply to Northern Ireland, even though it is part of the UK. This is due to the Windsor Framework, which keeps Northern Ireland aligned with certain EU customs and safety rules.

The UK has its own entry safety and security system, i.e., the S&S GB (Safety & Security Great Britain) declarations, which is separate from ICS2.

So, while ICS2 affects shipments to the EU and Northern Ireland, goods entering GB follow UK-specific safety and security rules.

What is the difference between ENS and ICS2?

ENS (Entry Summary Declaration) is the actual declaration (document) containing advance cargo information (such as consignor, consignee, goods description, and transport details) submitted to customs before goods enter a customs territory. Its purpose is to allow risk assessment for safety and security.

ICS2 (Import Control System 2) is the EU’s updated system for receiving, processing, and managing ENS filings. It is not a declaration itself but the platform and legal framework that defines when, how, and by whom ENS data must be submitted for goods entering the EU and Northern Ireland.

What happens if the declared HS code in the ENS is incorrect?

Incorrect HS codes can trigger additional screening, misdirect risk profiling, or cause mismatches with subsequent import declarations, leading to penalties or delayed release. 

If discovered pre-arrival, amend the ENS promptly; if detected post-arrival, correct during the import declaration and keep evidence of amendments.

What immediate steps should be taken after receiving a Do Not Load (DNL) or equivalent message?

Stop loading if the message is active, notify the shipper/consignee and carrier operational teams, liaise with customs to understand required corrective actions, and resolve data or compliance issues. Document communications and corrective steps; follow up to ensure a formal clearance or cancellation of DNL.

Are Switzerland and Norway part of the ENS/ICS2 landscape?

Yes, they apply measures equivalent to the EU, integrated with ICS2 operations. This means flows to/from those countries are treated in line with EU safety & security controls, simplifying cross-border operations and ensuring consistent risk management.

What are the most common reasons an ENS gets rejected or queried?

Generic goods descriptions (“parts,” “samples,” “clothing”) or missing HS codes where required by a business model or partner.

Incomplete or non-standardised party addresses (street/number/postcode/country missing).

Mismatched transport references (MAWB/HAWB, B/L/HBL).

The Commission’s notices on data quality and many carrier advisories highlight these pitfalls.

Do empty containers or pallets require an ENS?

Under UCC rules and national guidance, empty packaging/pallets not carried under a transport contract are waived from ENS; similarly, certain postal items and personal baggage have waivers.

Always verify the exact scenario (is there a contract of carriage, is the movement commercial?), and check the legal base (UCC-DA) or your Member State’s notices.

What is an MRN in context of ENS, and how do I use it?

An MRN (Movement Reference Number) is a unique identifier assigned to each Entry Summary Declaration (ENS) once it is accepted by the EU customs system.

It serves as a tracking number for your shipment and links the ENS to other customs processes, such as arrival notifications, presentation of goods, and temporary storage.

It is used to reference your ENS in communications with customs or when submitting corrections, updates, or related filings.

For consolidated shipments, both master and house filings can reference the same MRN to ensure all data is correctly linked for risk assessment.

How does ICS2 affect e-commerce and small parcels?

ICS2 requires pre-arrival safety and security data for all goods entering the EU, including small parcels and e-commerce shipments. This means:

Postal operators and couriers must provide accurate shipper and consignee details, plain-language product descriptions, and HS codes where required.

For air shipments, a PLACI (Pre-Loading Advance Cargo Information) dataset must be submitted before loading onto an EU-bound aircraft.

Poor data quality (e.g., vague descriptions, missing addresses) can lead to rejections or delays.

Which countries/territories are covered by ICS2?

ICS2 applies across the EU customs territory and, under the “common security area,” also involves Norway, Switzerland and Northern Ireland. Commission materials and national guidance confirm that filings address the Member State of first entry and that coverage includes those territories for safety & security processing.

Do I need an EORI number to interact with ICS2?

Yes, an EORI (Economic Operators Registration and Identification) number is required for companies or individuals interacting with EU customs systems, including ICS2.

It uniquely identifies the shipper, consignee, or carrier in customs processes.

EORI is used to authenticate filings, link shipments to your company, and ensure smooth processing of Entry Summary Declarations (ENS).

If you don’t have one, you must apply through your national customs authority before submitting any ICS2 filings.

What is PLACI, and how is it different from the full ENS workflow?

Pre-Loading Advance Cargo Information (PLACI) is the minimum security data required for air cargo, often called the “7+1” set, which must be submitted before the goods are loaded onto an aircraft. It provides an early security check to help prevent risks, including terrorism threats.

The full ENS workflow builds on this initial data but also requires additional information to be submitted before the cargo arrives at the EU border. This complete submission allows customs to perform a full risk analysis and ensures all safety and security requirements are met.

How do master and house data relate inside an ENS?

Inside an ENS, shipments are often split into master and house data to reflect the different parties involved:

Master data: Submitted by the carrier, it represents the overall shipment on the main transport document (e.g., MAWB, MBL, or B/L).

House data: Submitted by the freight forwarder or shipper, it represents individual consignments within the master shipment.

The house and master data are linked in the customs system so that risk analysis can consider both the overall shipment and individual parcels. This ensures that customs can assess security and safety at both levels.