BEAst: DeliveredQuantity (T6706) For rental invoices this is [number of days to invoice] x [quantity of the articles rented]. Peppol: The quantity of items (goods or services) that is charged in the Invoice line.

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Quantity
udt:QuantityType
Example value
2.00
Business terms
BT-129
Attributes
Use Name Description
M @unitCode

Invoiced quantity unit of measure
The unit of measure that applies to the invoiced quantity. Codes for unit of packaging from UNECE Recommendation No. 21 can be used in accordance with the descriptions in the "Intro" section of UN/ECE Recommendation 20, Revision 11 (2015): The 2 character alphanumeric code values in UNECE Recommendation 21 shall be used. To avoid duplication with existing code values in UNECE Recommendation No. 20, each code value from UNECE Recommendation 21 shall be prefixed with an “X”, resulting in a 3 alphanumeric code when used as a unit of measure.

Example value: EA

Rules
Identifier/Error message Flag
BR-22
[BR-22]-Each Invoice line (BG-25) shall have an Invoiced quantity (BT-129).
fatal
BR-CL-23
[BR-CL-23]-Unit code MUST be coded according to the UN/ECE Recommendation 20 with Rec 21 extension
fatal