For a company or person can use professional Certific@ 2 , you must identify itself to the public employment service State (SEPE). there are two possible ways to identify:

1. With the authorization by the application Contrat@ (SEPE Web service that allows businessmen and women entrepreneurs communicate online content of the employment to public employment services), which consists of a username and a password will be developed through this application.
2. Through any digital certificates issued by any of certification authorities recognized.