/ubl:Invoice/cac:InvoiceLine/cac:AllowanceCharge[string(cbc:ChargeIndicator) = 'true']/cbc:BaseAmount/@currencyID

Invoice Line Charge Base Amount Currency Code

Austria | VRBL-Invoice-AT-B2B-PeppolBIS-3p0
Context ID INV1281
Usage M

Description

Syntax required attribute, value must equal invoice document currency.