The US Office of the Comptroller of the Currency (OCC) has found some lapses with the know-your-customer (KYC Know Your Customer (KYC) Know Your Customer (KYC) is the process via which the broker is verifying the true identity of its clients in order to comply with multiple regulations. KYC is used to assess the suitability of customers when it comes to anti-money laundering regulations, any type of financial fraud and determining whether they are potentially risky for the brokerage.In particular, KYC guidelines in financial services mandate that individuals make a cohesive effort to verify the identity, suitability, and risks involved with maintaining a business relationship.