When creating a record of type TRANSACTION, the operation.document.number and operation.document.series fields refer to the taxpayer’s own internal document numbering system. These values must be generated by the taxpayer based on their specific business context and do not correspond to the progressive number returned by AdE in the API response.
The Progressive Number (DCW/number) is a unique identifier automatically assigned by the Revenue Agency (Agenzia delle Entrate) when a document is successfully transmitted through the "Fatture e Corrispettivi" (Invoices and Fees) portal.
This number is included in the successful response after creating a Record of type TRANSACTION, and can be found in the compliance.data field.
Note: "DCW" (Documento Commerciale Web) refers to documents transmitted to the Agenzia delle Entrate through the "Fatture e Corrispettivi" procedure, as is the case with SIGN IT. In this context, the Progressive Number is generated by the AdE.
If the document is instead issued through a Registratore Telematico (RT), the Progressive Number will follow a different format: "RT" followed by the number generated directly by the RT device.
When a customer requests the receipt, is it necessary to specify that it was issued through a cloud-based solution and not an RT?
No, it's not necessary to specify the issuing method on the receipt.
The Progressive Number assigned by the Agenzia delle Entrate (DCW number) is sufficient to uniquely identify and validate the receipt. This number confirms that the document was correctly submitted via the "Fatture e Corrispettivi" web portal.