Peppol: The currency in which all Invoice amounts are given, except for the Total VAT amount in accounting currency. Only one currency shall be used in the Invoice, except for the VAT accounting currency code (BT-6) and the invoice total VAT amount in accounting currency (BT-111).

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Code
udt:CodeType
Example value
SEK
Business terms
BT-5
Code lists
Currency codes (ISO 4217)
Rules
Identifier/Error message Flag
BR-05
[BR-05]-An Invoice shall have an Invoice currency code (BT-5).
fatal
BR-CL-04
[BR-CL-04]-Invoice currency code MUST be coded using ISO code list 4217 alpha-3
fatal