client/write or administrator/write OAuth scope.status and metadata on every call, even when changing only one: both are currently validated as required. metadata REPLACES the stored metadata (it is not merged), so resend any keys you want to keep. When status equals the current status only metadata is updated.INACTIVE stops further debits: a new AUD_DD_1 transaction on the mandate fails with Mandate is not active. A debit already submitted is not recalled. Setting ACTIVE again resumes the mandate.