AI is already part of your lending operations — screening applications, flagging risk, and powering the platforms your team relies on. In many cases, it's also embedded quietly inside your vendors' systems, influencing decisions your institution is ultimately responsible for. This article walks lenders through what AI governance actually requires today: how to build an AI inventory, tier tools by risk level, hold vendors accountable for model changes, and build a documentation trail that holds up at exam time. With a $2.5M fair lending settlement tied to AI-driven underwriting and new Freddie Mac governance requirements now in effect, the message is clear — "the model did it" is not a compliance defense.