SWIFT ISO 20022 - Message description - Account Mandate Maintenance Amendment Request (acmt.018.001)
Description
The AccountMandateMaintenanceAmendmentRequest message is sent from an organisation to a financial institution as part of the account maintenance process. It is sent in response to a request from the financial institution to send additional information. Usage: this update is only about mandate information.
If modification codes are not used: the organisation will specify under the “Mandate” and “Group” tags the complete information as it should be in the financial institution’s records after processing the update request.
If modification codes are used (in that case, they must be used everywhere): the organisation will specify under the “Mandate” and “Group” tags which elements must be added, deleted, modified, or if they are unchanged.
It is not possible to update the account characteristics or organisation information with this message.