A Taxpayer (formerly "Entity") provides a particular Organization UNIT (formerly "Asset UNIT") with the relevant taxpayer data, and consists of two main parts:
-
Taxpayer information (
type: COMPANY / INDIVIDUAL,nameandaddress), and -
Country-specific fiscalization details (
fiscalization). For Italy, these include:- The business tax id number (Codice Fiscale) and vat id number (Partita IVA), and
- The tax identification number and Fisconline credentials of the authorized user — i.e., the individual who is entitled to operate on behalf of the business and holds Fisconline credentials.
Learn more here:
Key changes in SIGN IT 2025-08-12
SIGN IT lite Authentication Flow Field Explainer
For a detailed Merchant Guide on how to request Fisconline credentials, please contact your fiskaly Sales representative.