83 Ill. Adm. Code 605.110
Accounting Instruction 13
Section 605
Section 605.110 Accounting
Instruction 13
Accounting Instruction 13,
"General - Records for Each Plant," shall have the following
paragraph added:
"The term 'plant' as here used means each source of
supply, each pumping station (small booster stations may be grouped), each
water treatment plant and the transmission and distribution system in each city
or village, or such other operating areas as certificated by the
Commission."