`CurrentTargetRentalAtTheTimeOfValuation` MUST exist at least once. `CurrentTargetRentalAtTheTimeOfValuation` MUST exist at least once. `CurrentTargetRentalAtTheTimeOfValuation` MUST exist at least once. `CurrentTargetRentalAtTheTimeOfValuation` MUST exist at least once. `OverdueMaintenanceIncludedInThePolicyValue` MUST exist at least once. `OverdueMaintenanceIncludedInThePolicyValue` MUST exist at least once. `OverdueMaintenanceIncludedInThePolicyValue` MUST exist at least once. `OverdueMaintenanceIncludedInThePolicyValue` MUST exist at least once. `PolicyValueMaintenanceCostsAtTheTimeOfValuation` MUST exist at least once. `PolicyValueMaintenanceCostsAtTheTimeOfValuation` MUST exist at least once. `PolicyValueMaintenanceCostsAtTheTimeOfValuation` MUST exist at least once. `PolicyValueMaintenanceCostsAtTheTimeOfValuation` MUST exist at least once. `PolicyValueManagementCostsAtTheTimeOfValuation` MUST exist at least once. `PolicyValueManagementCostsAtTheTimeOfValuation` MUST exist at least once. `PolicyValueManagementCostsAtTheTimeOfValuation` MUST exist at least once. `PolicyValueManagementCostsAtTheTimeOfValuation` MUST exist at least once. `PolicyValueNCWGroundLease` MUST exist at least once. `PolicyValueNCWGroundLease` MUST exist at least once. `PolicyValueNCWGroundLease` MUST exist at least once. `PolicyValueNCWGroundLease` MUST exist at least once.