Use the AdditionalDocumentReference element and attribute to specify the framework agreement number and an ID.

Italian Specification

Detail	Value
Italian Specification	`Original: 2.1.4 (DatiConvenzione)`

Element

Element	Description
`Invoice/AdditionalDocumentReference/ID`	Specify the number.
`Invoice/AdditionalDocumentReference/ID[@schemeID = 'VRBL:IT:AVV']`	Use `VRBL:IT:AVV` for the `@schemeID` attribute.

Restrictions

Use VRBL:IT:AVV as the @schemeID attribute value.
This element is only used for B2G. It corresponds to the AgID's suggested implementation.

Example

The following example specifies FAN1111 as the Agreement Number.


<ubl:Invoice>
    <cac:AdditionalDocumentReference>
        <!-- Code omitted for clarity -->
        <cbc:ID schemeID="VRBL:IT:AVV">FAN1111</cbc:ID>
        <!-- Code omitted for clarity -->
    </cac:AdditionalDocumentReference>
</ubl:Invoice>