Service enterprises must keep system logs for verification and investigation, covering at least the user account, login and logout times, IP address, source port and the log of posted information, retrievable for at least 12 months, and must retain personal information of users and data they create (account names, usage time, payment information, access IP addresses and related data) for the period set by law after users stop using the service.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.