====== 8.2 Minimum Cost-Relevant Information ======
[[fxdemo:06-part:09-information-minimization:start | Go to Information Minimization]]

The plane records cost-relevant information such as:
  * Chargeable work unit identifier.
  * Performing Node identifier.
  * Qualified service provider identifier.
  * Work type.
  * Obligation identifier.
  * Policy version identifier.
  * Evidence reference.
  * Transaction reference or pseudonymous transaction reference.
  * Jurisdictional cost category.
  * Data-volume band.
  * Retention duration.
  * Service-level result.
  * Compensation rule identifier.
  * Charge amount or settlement amount.
  * Allocation target.
  * Accounting reference.