83 Ill. Adm. Code 712.365
Service Order Activity Analysis
Section 712
Section 712.365 Service
Order Activity Analysis
An analysis of work activities
by job classification or functional area and/or studies of work output must be
made by the carrier to determine the apportionment to regulated and
nonregulated expenses of the certain cost pool in the following accounts:
Account 6610 Marketing
Account 6620 Services