Role of the Proxy Directory Operator (PDO)

In most IPS, a proxy (or "alias") cannot be used directly in a payment instruction (such as ISO 20022 pacs.008). Instead, the proxy must first be sent to the local proxy directory, via a proxy resolution request. The proxy directory service will then lookup and return the corresponding account details.

Proxy Directory Operators (PDOs) provide and maintain the databases which contain a list of proxies and the accounts and FIs that each proxy is associated with.

PDOs typically provide:

  • A database of proxies and associated Financial Institution Identifications and Account Identifications

  • A method for account holders to register and deregister proxies, or change the account linked to a specific proxy, via their authorized PSPs

  • A method for PSPs to make a proxy resolution request to the proxy directory (ie sending a proxy and receiving back a Financial Institution Identification, Account Identification and name of the account holder)

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