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D
Data Encryption Standard (DES)
Debit advice
Debit card
Debit transfer system
Decipherment
Default
Defaulter pays
Deferred net settlement system
Delivery
Delivery-versus-payment system
Denial of service
Depository
Deterrent measures
Digital signature
Direct debit
Domestic settlement
Direct debit

Preauthorised debit on the payer’s bank account initiated by the payee.
Advice sent by the debtor’s financial institution The automated transfer of funds from a debtor’s account to a creditor’s account at the initiative of the creditor and based on the debtor’s authorisation.