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BT-123 Supporting Document Description

A short text describing the supporting document.

Quick answer

Taxes and totals

VAT treatment, tax breakdowns, and document totals that validators check closely.

Quick actions

In plain language

A short text describing the supporting document.

A short text describing the supporting document.

Helps buyers understand what the referenced or attached document contains.

What you usually enter here

Free text document description

Typical valid values include: Signed contract, Delivery note, Timesheet for May 2026

Optional EN 16931 supporting document context.

What goes wrong often

Avoid values like:

Examples in context

Helps buyers understand what the referenced or attached document contains.

Optional EN 16931 supporting document context.

Valid Examples

  • Signed contract
  • Delivery note
  • Timesheet for May 2026

XML mapping and field facts

Open the technical reference if you need XML paths, validator rule codes, legal wording, or schema-specific mapping details.

Field ID:

BT-123

Data Type:

text

Cardinality:

0..1

Requirement:

Optional

Since Version:

Optional

XML Implementation

UBL 2.1 Syntax
/Invoice/cac:AdditionalDocumentReference/cbc:DocumentDescription
CII (UN/CEFACT) Syntax
/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeAgreement/ram:AdditionalReferencedDocument/ram:Name

Next step

Create an XRechnung from your PDF

The converter reads the invoice and shows the fields it found before download, so you can check and correct the values. No PDF? Fill in the XRechnung directly in the form.

Download requires an account. Subscriptions from €10/month with annual billing (excl. taxes), or €5 per conversion (excl. taxes) without a subscription.

Why the standard cares about this field

Business Context

Helps buyers understand what the referenced or attached document contains.

Legal Requirement

Optional EN 16931 supporting document context.

Official sources and tools