83 Ill. Adm. Code 711.20
Corporate Organization
Section 711
Section 711.20 Corporate
Organization
All carriers offering exchange
and exchange access telecommunications services in Illinois are required to
file with the Chief Clerk of the Commission a description of the carrier's
corporate affiliates. This description is to be included in the carrier's cost
allocation manual. Affiliates of the local exchange carriers in this context
include any corporate entities, partnerships, or other forms of business
organization in which there is some portion of ownership control. Filings with
the Commission shall include a brief description of each entity, the conditions
of ownership, and a chart of all entities.