Getting Started (3)
Everything you need to get started with iCustoms.
iCDS (7)
Support and guidance for creating, submitting, and managing UK customs declarations through the Customs Declaration Service (CDS).
iCDS FAQs (23)
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How to Apply PVA In iCustoms
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How to Add Additional DAN Accounts to a Contact
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How to Do HMRC Authentication
iROS (3)
Support and guidance for creating, submitting, and managing EU customs declarations and related customs processes through iROS.
AES Error Codes (282)
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AES G 0016 – This error occurs when both the declared and actual customs offices of exit are marked for notification, but the system allows only one to be notified, preventing duplication or conflicting notifications in the export process.
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AES B 1803 – During the transitional period (Decisive Date ≤ TPendDate), the condition C0211 for the CountryOfRoutingOfConsignment field is disabled, making the field optional ("O").
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AES B 1807 – In the transitional period, condition C0392 for the LocationOfGoods field is disabled, and the field becomes optional ("O").
AIS Error Codes (238)
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AIS BR 0010 – This error occurs when the Method of Payment field in Data Element 4/8 is either missing or contains an invalid value not listed in the approved Tax Payment Method code list from the ROS system.
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AIS BR 0020 – This generic error indicates that a value entered in a field requiring a specific code list (such as procedure codes, document types, or country codes) does not match any allowed entry in that list.
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AIS BR 0202 – The 'N9000 - Supplementary Waiver' code in Data Element 2/2 cannot be used if the declaration results in any customs duty or VAT liability, as it is intended for waiver scenarios without financial obligations.
iTSS (3)
Guidance on using the Trader Support Service (TSS) for customs declarations and goods movements between Great Britain and Northern Ireland.
iDP (2)
iDP automatically extracts relevant customs data from your uploaded documents, helping you populate declarations faster and reducing manual data entry.
iCS2 (3)
Support and guidance for creating, submitting, and managing ICS2 Entry Summary (ENS) declarations and related requirements.
iCS2 FAQs (11)
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What Is ICS2?
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What Are the Three Levels of an ICS2 Declaration?
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What Do the Different ICS2 Declaration Statuses Mean?
iCS2 Error Codes (42)
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ICS2 12 – Only value '2 - Sub-house level filing' can be used.
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ICS2 12 – REPRESENTATIVE/Identification number' cannot be the same as 'DECLARANT/Identification number'.
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ICS2 12 – IF 'CONSIGNMENT (HOUSE LEVEL)/ADDITIONAL INFORMATION/Code' is '10600',THEN this class is M,ELSE it is O.
iS&S GB (5)
Support and guidance for managing Safety & Security (S&S) declarations and related customs requirements.
iS&S FAQs (15)
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ENS Local Reference Number (LRN) and Commercial Reference Number
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ENS Unauthorised Access or Submission Error
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ENS Additional Information Coded Error
iS&S Error Codes (41)
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S&S 4065 – The [Message sender] (MesSenMES3) must follow the exact pattern “[A-Z]{2}[^ ]{1,15}/[0-9]{10}” (2 capital letters + 1–15 characters + slash + exactly 10 digits).
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S&S 8102 – Each goods item must have a unique [Item number] starting from 1 and increasing by 1 (1, 2, 3, …).
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S&S 8103 – [Gross mass] (GroMasGDS46) is required on every goods item unless Specific circumstance indicator = ‘E’ or Total gross mass is provided at header level.
iNCTS UK (1)
Support and guidance for creating, submitting, and managing New Computerised Transit System (NCTS) transit declarations and related processes.
iClassification (2)
Support and guidance for classifying products, finding the correct commodity codes, and managing tariff classifications in iClassification.
iELO (1)
Support and guidance for creating, submitting, and tracking Obligatory Logistics Envelopes (ELO) for UK–France road freight movements.
iInvoice (2)
Incoming and outgoing invoices, used to track billing, payments, and outstanding balances.
iWarehouse (1)
Support and guidance for managing bonded warehouse stock, including movements, inventory, duty, incidents, and W1 reconciliation.
iCustoms Release Center (1)
The iCustoms Release Centre provides the latest information on system updates and releases, including release plans, release notes, and validation guidance.