Use the AccountingCost element to model this reference.

For B2G documents, you can use this to specify the Commitment Number (Número do compromisso). You can use this to reference the Commitment Number (Número do compromisso) described in the Portugal: Document Reference ID topic.

Restrictions

We recommend to use this only if you have multiple Commitment Numbers (Número do compromisso).

Elements

Element	Description
`Invoice/AccountingCost`	Specify the reference to the buyer's system.

Example

<ubl:Invoice>
    <!-- Code omitted for clarity -->
    <cbc:AccountingCost>1234567890</cbc:AccountingCost>
    <!-- Code omitted for clarity -->
</ubl:Invoice>