Reference
Markdown exportBT-150 Item Price Base Quantity Unit Code
The unit code for the item price base quantity.
BT-150 (Item price base quantity unit of measure code) states the unit for the price base quantity (BT-149), using a UN/ECE Recommendation 20 code inside BG-29. Conditional under EN 16931 and, when present, it must be the same as the invoiced quantity unit of measure (BT-130). Example: C62.
BT-150 · EN 16931 / XRechnung 3.x
BT Reference Card
Key EN 16931 and XRechnung facts for this business term.
- BT code
BT-150- Name
- Item Price Base Quantity Unit Code
- Cardinality
- Conditional (C)
- Business group
- BG-29 PRICE DETAILS
- Data type
- Code
- Example value
C62
Line items
The goods or services on each invoice line, including quantities, prices, and VAT.
Quick actions
In plain language
The unit code for the item price base quantity.
Describes how the invoice line price is derived, including base quantity and any price-level discount, so automated checks can recalculate line totals.
What you usually enter here
UNECE Recommendation 20/21 unit code
Typical valid values include: EA, HUR, KGM
Defined by EN 16931 for line price calculation data; required fields must satisfy the listed BR and Peppol calculation constraints.
Where the field sits
- Invoice
- cac:InvoiceLine
- cac:Price
- cbc:BaseQuantity @unitCodeBT-150
- rsm:CrossIndustryInvoice
- rsm:SupplyChainTradeTransaction
- ram:IncludedSupplyChainTradeLineItem
- ram:SpecifiedLineTradeAgreement
- ram:NetPriceProductTradePrice
- ram:BasisQuantity @unitCodeBT-150
or
- rsm:CrossIndustryInvoice
- rsm:SupplyChainTradeTransaction
- ram:IncludedSupplyChainTradeLineItem
- ram:SpecifiedLineTradeAgreement
- ram:GrossPriceProductTradePrice
- ram:BasisQuantity @unitCodeBT-150
If BT-149 is present in both price locations, the quantities must match. If BT-150 is present on NetPriceProductTradePrice, it must also be present on GrossPriceProductTradePrice with the same unit code (BR-TMP-3).
What goes wrong often
Avoid values like: each, kg
Relevant rule codes: BR-CL-23, PEPPOL-EN16931-R130
Valid Examples
- EA
- HUR
- KGM
Invalid Examples
- each
- kg
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-150
Data Type:
code
Cardinality:
0..1
Requirement:
Optional
XML Implementation
/Invoice/cac:InvoiceLine/cac:Price/cbc:BaseQuantity/@unitCode/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem/ram:SpecifiedLineTradeAgreement/ram:NetPriceProductTradePrice/ram:BasisQuantity/@unitCodeValidation Rules
BR-CL-23
BR-CL-23
PEPPOL-EN16931-R130
PEPPOL-EN16931-R130
Next step
Check whether your XRechnung sets BT-150 correctly
Upload the XML file to the free validator. It applies the KoSIT rules for XRechnung 3.0 and names each finding with its rule ID, for this field for example BR-CL-23, PEPPOL-EN16931-R130. Creating a new invoice instead? The converter checks the invoice against the same rules and shows the findings before download.
Free, no account needed. XML file up to 2 MB.