Account opening documentation preference: clients choose electronic or physical delivery; brokers must provide and log documents accordingly. Stock brokers and depository participants must provide specified standard documents in the account opening kit in electronic or physical form per the client's preference recorded in the account opening form; electronic delivery must be logged. Exchanges and depositories must keep these documents on their websites and inform clients. Exchanges and depositories must notify participants, amend rules for uniform implementation, and monitor compliance through half-yearly audits and inspections.