To help you to measure your perceived quality of service, after login give access to a vote from 1 to 10 to measure customer satisfaction and display the result to your customers.
As part of this process, set a goal of perceived quality of service and try to reach it.

In this context, set "limits" that are used as a measure, e. g."limits":
7 days to recover access to a blocked account
4 days to release on hold funds
etc...

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