When at least one of the underlying values of `PolicyValue` is reported `PolicyValue` MUST also be reported.
`AffordabilityExitRental` MUST exist at least once.
`AvailabilityExitContinueToOperate` MUST exist at least once.
`ManagementExitManagementExpenses` MUST exist at least once.
`PolicyValue` MUST be equal to the summation of the underlying values.
`QualityExitMaintenance` MUST exist at least once.