cakephp/localized — pull request #79 by fiblan (2014-05-19 08:18:20+00:00)
Title: Added check for legal persons in cf (ItValidation)

"cf" stands for Codice Fiscale (Italian fiscal code card).
*For legal persons (e.g. corporations) it comprises 11 numeric-only characters*

Source: https://en.wikipedia.org/wiki/Italian_fiscal_code_card