/ubl:Invoice/cac:AllowanceCharge[string(cbc:ChargeIndicator) = 'true']/cbc:BaseAmount/@currencyID
Charge Base Amount Currency ID
| Context ID | INV0917 |
| Cardinality | 1..1 |
| Usage | M |
Description
The currency of the amount.
Value must equal invoice document currency (IBT-005)