eDDA (Electronic Direct Debit Authorization) is a value-added service introduced by the Hong Kong Monetary Authority for the FPS Express system, which can support the authorization to debit and deposit funds from your set bank account to your OSL trading account. Currently, it only supports HKD.How to authorize eDDAPlease go to Assets page and click on Deposit to proceed to the next step.Select HKD (eDDA only supports HKD)Select eDDASelect the bank name of the card you wish to use and enter the card number of your bank account. Fill in the type of document (e.g. Hong Kong Identity Card, Passport) and document number you provided when you opened the bank account to complete the authorization.How to deposit using eDDAAfter successfully authorizing deposits via eDDA, go to the Assets page and click on Deposit.Select HKDSelect eDDA DepositFill in the amount and the bank account you want to use to make the deposit