Account 1220 Inventories
Account 2210 Central Office Switching
Account 2220 Operator Systems
Account 2230 Central Office Transmission
Account 2310 Information Origination/Termination
Account 2410 Cable and Wire Facilities
Account 5300 Uncollectible Revenue
Account 6310 Information Origination/Termination Expense
Account 6540 Access Expense
Ill. Admin. Code tit. 83, § 712.255
Amended at 27 Ill. Reg. 12489, effective August 1, 2003