TITLE 83: PUBLIC UTILITIES
CHAPTER I: ILLINOIS COMMERCE COMMISSION
SUBCHAPTER f: TELEPHONE UTILITIES
PART 791 COST OF SERVICE
SECTION 791.30 COST CAUSATION PRINCIPLE


 

Section 791.30  Cost Causation Principle

 

Costs shall be attributed to individual services or groups of services based on the following cost causation principle.  Costs are recognized as being caused by a service or group of services if:

 

a)         The costs are brought into existence as a direct result of providing the service or group of services; or

 

b)         The costs are avoided if the service or group of services is not provided.