Use the DocumentCurrencyCode element to model this information.

Element

Element	Description
`Invoice/DocumentCurrencyCode`	The currency in which all invoice amounts are given, except for the Total tax amount in accounting currency (only if accounting currency is different from invoice currency).

Restriction

You must use the codes from the ISO4217 list here.

Example

<Invoice>
    <!-- code omitted for clarity -->
    <cbc:DocumentCurrencyCode>USD</cbc:DocumentCurrencyCode>
    <!-- code omitted for clarity -->
</Invoice>