Ill. Admin. Code tit. 83 § 505.4810
In Paragraph C of Account 481, Commercial and industrial sales, the term "Dth" is replaced with "Mcf" to be stated as follows:
"Records shall be maintained so as to show separately the revenues from commercial and industrial customers, as follows: Large commercial and industrial sales (wherein shall be included the revenues from customers which use large volumes of gas, generally in excess of 200,000 Mcf per year or approximately 800 Mcf per day of normal requirements. Reasonable deviations are permissible in order that transfers of customers between the large and small classifications may be minimized). Small commercial and industrial sales (wherein shall be included the revenues from customers which use volumes of gas generally less than 200,000 Mcf per year or less than approximately 800 Mcf per day of normal requirements)."
Ill. Admin. Code tit. 83, § 505.4810
Added at 22 Ill. Reg. 9543, effective June 1, 1998