Client due diligence requirements drive KYC, digital verification and reporting obligations under anti money laundering rules. The rules define key terms for implementing the Prevention of Money Laundering framework, focusing on client due diligence, the Central KYC Records Registry, Aadhaar and e KYC modalities, and the roster of acceptable officially valid documents including provisions for simplified measures and foreign client proofs. They specify compliance roles such as Designated Director, Principal Officer and Designated Officer, clarify the functional meaning of Regulator, and furnish operative definitions of suspicious transaction and transaction that trigger reporting and record keeping obligations.