As you said, the banks have very sophisticated systems in place. That's why we are concerned that the 10 days would not allow the banks to proceed efficiently with the unsubscription. We feel that a bit more time would help to avoid errors, delays, and non-compliance.
Banks have some of the most sophisticated IT systems in this country. At the same time, when a change needs to be done, the banks want to make sure that it is done properly, with a minimum of errors. A complex system requires more time to adjust. It might take more than 10 days to do everything properly.