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Law/Regulations/Rulings

Laws and Legislation

Laws

Illinois Compiled Statutes
- Revenue Tax Acts

Legislation

Illinois General Assembly

Regulations

Administrative Rules

Regulatory Review Group

Regulatory Review Group - login required

IDOR Rulings and Other Information

Administrative Hearings

Letter Ruling Requests, Subpoenas and Other Documents

General Counsel's Office (e-mail)

Letter Rulings