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BT-124 External Document Location

A URI where the supporting document can be accessed externally.

Quick answer

Taxes and totals

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

Quick actions

In plain language

References evidence stored outside the invoice when embedding the document is not appropriate.

What you usually enter here

Resolvable URI

Typical valid values include: https://example.com/documents/delivery-note-1001.pdf

Optional EN 16931 mechanism for externally referenced supporting documents.

Where the field sits

Attachments
UBL 2.1 Syntax
  1. Invoice
  2. cac:AdditionalDocumentReference
  3. cac:Attachment
  4. cac:ExternalReference
  5. cbc:URIBT-124
CII (UN/CEFACT) Syntax
  1. rsm:CrossIndustryInvoice
  2. rsm:SupplyChainTradeTransaction
  3. ram:ApplicableHeaderTradeAgreement
  4. ram:AdditionalReferencedDocument
  5. ram:URIIDBT-124
BT-124 belongs to the Attachments part of the invoice. UBL 2.1 Syntax: Invoice › cac:AdditionalDocumentReference › cac:Attachment › cac:ExternalReference › cbc:URI. CII (UN/CEFACT) Syntax: rsm:CrossIndustryInvoice › rsm:SupplyChainTradeTransaction › ram:ApplicableHeaderTradeAgreement › ram:AdditionalReferencedDocument › ram:URIID.

What goes wrong often

Avoid values like: delivery-note.pdf

Valid Examples

  • https://example.com/documents/delivery-note-1001.pdf

Invalid Examples

  • delivery-note.pdf

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-124

Data Type:

identifier

Cardinality:

0..1

Requirement:

Optional

XML Implementation

UBL 2.1 Syntax
/Invoice/cac:AdditionalDocumentReference/cac:Attachment/cac:ExternalReference/cbc:URI
CII (UN/CEFACT) Syntax
/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:AdditionalReferencedDocument/ram:URIID

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.

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