...
This section describes the customer journey when a user/customer needs to re-authenticate AISP consent, so that the AISP can continue to provide the service previously consented to by authenticating again at their ASPSP. All other elements of the consent (data permissions required, purpose for which the data will be used, transaction history period and consent expiration date) remain unchanged. (It should be noted that the API specification allows the AISP to inform the ASPSP (Bank) that the request is a re-authentication/refresh rather than a new request).
...