https://tax.illinois.gov/research/publications/bulletins/fy-2026-19.html
FY 2026-19, Simplified Municipal Telecommunications Tax Rate Changes Effective July 1, 2026
Effective July 1, 2026, Simplified Municipal Telecommunications Tax Rate Changes Effective July 1, 2026. (35 ILCS 636/5-20(a)(2))
telecommunications tax