Illinois Administrative Code
Title 83 - PUBLIC UTILITIES
Part 791 - COST OF SERVICE
Section 791.40 - Methods and Assumptions
Current through Register Vol. 48, No. 12, March 22, 2024
a) The methodology and assumptions in this Part apply to cost studies required by this Part and the Act.
b) Nothing in this Part shall require a carrier in any LRSIC study to account for, allocate, apportion, assign or reflect costs in any manner inconsistent with the Uniform System of Accounts (83 Ill. Adm. Code 710) or the Federal Communications Commission's Uniform System of Accounts ( 47 CFR 32 ).
c) Since LRSIC represents a measurement of the costs to a carrier of providing a service or group of services on a prospective basis over a planning horizon long enough to have no sunk inputs or costs, when determining the LRSIC of a service or a group of services, use of the following assumptions and methods shall be presumed reasonable: