Clave Sol (Clave SUNAT Operaciones en Línea)
The taxpayer's password, which consists of a username and a key. Taxpayers need Clave Sol to access the e-invoicing services from SUNAT (Superintendencia Nacional de Aduanas y de Administración Tributaria), including the SUNAT web portal operation and issuing a CPE. SUNAT issues the first password to grant administrative credentials. This administrator can then create user credentials linked to each RUC (Registro Único de Contribuyentes) using the SUNAT web portal or the APP Personas mobile app. For more information, refer to the SUNAT web page.