§ 425.10. Applicability

§ 425.20. Cost Basis

§ 425.30. Fuel Adjustment Formula

§ 425.40. Interpretation

§ 425.50. Administration

SOURCE: Adopted at 5 Ill. Reg. 14133, effective December 3, 1981; amended at 7 Ill. Reg. 191, effective December 15, 1982; codified at 7 Ill. Reg. 14505; amended at 9 Ill. Reg. 684, effective January 8, 1985; amended at 13 Ill. Reg. 16730, effective January 1, 1990; amended at 18 Ill. Reg. 17989, effective December 15, 1994; amended at 19 Ill. Reg. 13882, effective October 1, 1995; emergency amendment at 25 Ill. Reg. 4307, effective March 9, 2001, for a maximum of 150 days; amended at 25 Ill. Reg. 10182, effective August 1, 2001.