audited >> /ˈɔːdɪt/
Definition: [verb] Conduct an official financial inspection of (a company or its accounts)
Example: unlimited companies must also have their accounts audited
Definition: [verb] Attend (a class) informally, without working for credit.
Example: he made use of the knowledge gleaned from economics classes he audited
Definition: [noun] An official inspection of an organization's accounts, typically by an independent body.
Example: audits can't be expected to detect every fraud