AUTHORITY: Implementing the Telecommunications Excise Tax Act [35 ILCS 630] and authorized by Section 17 of the Telecommunications Excise Tax Act [35 ILCS 630].
SOURCE: Adopted at 14 Ill. Reg. 11321, effective July 1, 1990; amended at 21 Ill. Reg. 13658, effective September 29, 1997; amended at 22 Ill. Reg. 11886, effective June 29, 1998; amended at 24 Ill. Reg. 12082, effective July 28, 2000; amended at 25 Ill. Reg. 197, effective December 26, 2000; amended at 25 Ill. Reg. 5034, effective March 19, 2001; amended at 27 Ill. Reg. 9614, effective June 13, 2003; amended at 42 Ill. Reg. 19044, effective October 3, 2018; amended at 45 Ill. Reg. 14494, effective November 2, 2021; amended at 47 Ill. Reg. 1467, effective January 17, 2023; amended at 47 Ill. Reg. 5816, effective April 4, 2023; amended at 48 Ill. Reg. 16566, effective November 4, 2024.