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AEO-C, AEO-S, and AEOF: What Is the Difference?

The EU issues three distinct AEO certificate types under Articles 38 to 41 of the Union Customs Code. Understanding which one you need determines your benefits, your obligations, and what Dutch Customs will assess during the application.

Key takeaways
Contents

    The legal foundation for all three AEO certificate types is Regulation (EU) No 952/2013 of the European Parliament and of the Council of 9 October 2013 laying down the Union Customs Code (UCC). Article 38(1) authorises EU customs authorities to grant AEO status to any economic operator established in the EU customs territory that meets the criteria in Article 39. Article 38(2) then specifies that the status takes one of three forms: AEO-C, AEO-S, or AEOF.

    The implementing rules are in Commission Delegated Regulation (EU) 2015/2446 and Commission Implementing Regulation (EU) 2015/2447. Those regulations define the specific criteria for each type and the self-assessment questionnaire that applicants must complete before submitting to their supervising customs office.

    AEO-C: customs simplifications

    AEO-C is the certificate for operators whose primary goal is access to simplified customs procedures. Holders can apply for and use a wider range of simplified import and export declarations, centralised customs clearance, entry in the declarant's records, and self-assessment arrangements. These tools reduce administrative burden and processing time at the border.

    The eligibility criteria for AEO-C are the first four criteria listed in Article 39 of the UCC: a satisfactory compliance record, a satisfactory system of managing commercial and transport records, financial solvency, and practical standards of competence or professional qualifications in customs matters. The fifth criterion, which covers appropriate security and safety standards, is not required for AEO-C.

    Practical note

    AEO-C does not give you preferential treatment under EU mutual recognition agreements with countries like Japan, China, or the United States. If cross-border facilitation is a reason for applying, you need AEO-S or AEOF.

    AEO-S: security and safety

    AEO-S is the certificate for operators who want the security and safety facilitations that come with trusted trader status. Holders receive prior notification from customs authorities before a consignment is selected for a physical check, a reduced number of security-related checks at the EU border, and recognition under mutual recognition agreements with partner countries.

    The eligibility criteria for AEO-S are the first criterion (compliance record), the second (record management), the third (financial solvency), and the fifth (security and safety standards). The fourth criterion, professional qualifications in customs matters, is not required for AEO-S.

    In practice, AEO-S is less commonly held as a standalone certificate. Operators who qualify for the security and safety criteria typically also meet the customs competence requirement, making AEOF the more efficient route. Carriers, shipping lines, and logistics providers that do not act as declarants are the main group that holds AEO-S without the customs simplifications component.

    AEOF: full authorisation

    AEOF combines all five criteria and grants access to both customs simplifications and security and safety facilitations simultaneously. It is a single certificate that replaces what would otherwise require two separate applications and two separate audit processes.

    For most importers, exporters, and customs agents, AEOF is the correct choice. The application and audit workload is heavier than for AEO-C alone because the security and safety assessment adds a physical site review and supply chain security questionnaire. But the outcome is the full set of benefits: simplified procedures, fewer checks, prior notification of controls, and recognition under mutual recognition agreements.

    Side-by-side comparison

    Criterion (Art. 39 UCC) AEO-C AEO-S AEOF
    Compliance record (Art. 39a) Required Required Required
    Record management (Art. 39b) Required Required Required
    Financial solvency (Art. 39c) Required Required Required
    Competence or qualifications (Art. 39d) Required Not required Required
    Security and safety standards (Art. 39e) Not required Required Required
    Simplified customs procedures Yes No Yes
    Security and safety facilitations No Yes Yes
    Mutual recognition (international) No Yes Yes

    Which type should you apply for?

    The answer depends on your role in the supply chain and your objectives.

    If you are an importer, exporter, or customs agent who wants faster clearance, access to simplified declarations, and international recognition: apply for AEOF. The additional effort required by the security and safety criterion is manageable for most operators with a professional logistics setup, and the result gives you the complete benefit package.

    If you are a transport or logistics operator who does not act as a declarant and has no interest in simplified procedure access, but wants the border facilitation and mutual recognition benefits: AEO-S is the appropriate certificate.

    If you operate solely within the EU, have no cross-border security facilitation needs, and your goal is purely administrative simplification at customs: AEO-C is the minimum viable certificate. It is faster to obtain because the security and safety assessment does not apply.

    Important

    You cannot hold AEO-C and AEO-S simultaneously as separate certificates if you qualify for both. The correct approach in that situation is AEOF, which covers both scopes under a single authorisation number.

    Upgrading from one type to another

    If you currently hold AEO-C and want to add the security and safety scope, you do not need to start a new application from scratch. You can apply to extend your existing certificate to AEOF. Dutch Customs will then conduct the additional assessment covering security and safety standards only, since the customs criteria are already on file. The same applies in reverse: if you hold AEO-S and later need customs simplifications, you apply to upgrade to AEOF.

    This incremental upgrade path is an argument for starting with AEO-C if your immediate priority is simplified procedures and you plan to invest in supply chain security standards later. It avoids the longer initial timeline while still leaving the door open to the full package.

    Not sure which AEO certificate fits your business?

    CSTMS.EU helps companies determine the right AEO type, prepare the self-assessment questionnaire, and manage the application process with Dutch Customs.

    Last updated: May 24, 2026
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