Reference
Markdown exportBT-19 Buyer accounting reference
Reference the buyer uses internally to book or approve the invoice.
BT-19 (Buyer accounting reference) is a free-text textual code the buyer needs to post the invoice to the right cost centre, project, or ledger account. Optional under EN 16931 but routinely required by ERP integrations on the buyer side. Example: Costcenter-12345.
BT-19 · EN 16931 / XRechnung 3.x
BT Reference Card
Canonical EN 16931 / XRechnung facts for this business term — citable from this anchor.
- BT code
BT-19- Name
- Buyer accounting reference
- Cardinality
- Optional (O)
- Business group
- BG-3 PRECEDING INVOICE REFERENCE
- Data type
- Text
- Example value
Costcenter-12345
Quick answer
Reference the buyer uses internally to book or approve the invoice.
Invoice basics
Core document identifiers, dates, process identifiers, and high-level invoice context.
In plain language
Reference the buyer uses internally to book or approve the invoice.
Reference the buyer uses internally to book or approve the invoice.
This field is common in public sector and large-enterprise flows where the buyer requires a cost-center or booking reference.
What you usually enter here
Buyer booking or cost-center reference
Typical valid values include: CC-2040
Optional according to EN 16931-1, but often contractually required by the buyer.
What goes wrong often
Avoid values like: , AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Examples in context
This field is common in public sector and large-enterprise flows where the buyer requires a cost-center or booking reference.
Optional according to EN 16931-1, but often contractually required by the buyer.
Valid Examples
Use these points as the practical checks for this section.
- CC-2040
Invalid Examples
Use these points as the practical checks for this section.
- AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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-19
Data Type:
text
Cardinality:
0..1
Requirement:
Optional
Max Length:
50 characters
Since Version:
Optional
XML Implementation
/Invoice/cbc:AccountingCost/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeSettlement/ram:PaymentReferenceWhy the standard cares about this field
Business Context
This field is common in public sector and large-enterprise flows where the buyer requires a cost-center or booking reference.
Legal Requirement
Optional according to EN 16931-1, but often contractually required by the buyer.