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BR-64

An item standard identifier (BT-157) lacks its scheme

Validation rule of EN 16931 (CEN, rule set 1.3.16) · Level: Error

What the message means

An item standard identifier (BT-157) lacks its scheme.

What the issuer needs to change

Add the scheme (for example 0160 for GTIN).

Fields concerned

BT-157 item standard identifier

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Origin

Rule set: EN 16931 (CEN, rule set 1.3.16)
Syntax: CII, UBL
Level: Error

Original rule text

The Item standard identifier (BT-157) shall have a Scheme identifier.

Source: CEN/TC 434, EN 16931 validation rules 1.3.16, European Union Public Licence 1.2

Technical details for IT

UBL

Context: cac:InvoiceLine/cac:Item/cac:StandardItemIdentification/cbc:ID | cac:CreditNoteLine/cac:Item/cac:StandardItemIdentification/cbc:ID
Test: not(exists(@schemeID))

CII

Context: //ram:IncludedSupplyChainTradeLineItem
Test: not(normalize-space(ram:SpecifiedTradeProduct/ram:GlobalID/@schemeID) != '' or not (ram:SpecifiedTradeProduct/ram:GlobalID))

Related rules

BR-61The IBAN or account number for the credit transfer is missing (BT-84)
BR-62The seller's electronic address (BT-34) lacks the scheme identifier
BR-63The buyer's electronic address (BT-49) lacks the scheme identifier
BR-65An item classification (BT-158) lacks its scheme

All validation rules

Technical explanation by robin.vision, not tax or legal advice. Rules as of 31 August 2026 (KoSIT validator configuration).