Rule 501.Definitions

Article V. Rules on Trial Court Proceedings in Traffic and Conservation Offenses, Ordinance Offenses, Petty Offenses, Misdemeanors, and Civil Law Violations · Part A. General · Last amended 2026 · Last verified July 20, 2026

In one sentenceRule 501 defines the core terms — conservation offense, traffic offense, unit of local government, and notice to appear — that mark the boundaries for every other rule in this article.

Full Text of Ill. S. Ct. R. 501

Text sizeJump to: (a) (b) (c) (d) (e) (f) (g)

(a) Reserved.

(b) Reserved.

(c) Conservation Offense. Any case charging a violation listed below, except any charge punishable upon conviction by imprisonment in the penitentiary:

(1) The Fish and Aquatic Life Code, as amended (515 ILCS 5/1-1 et seq.);

(2) The Wildlife Code, as amended (520 ILCS 5/1.1 et seq.);

(3) The Boat Registration and Safety Act, as amended (625 ILCS 45/1-1 et seq.);

(4) The Park District Code, as amended (70 ILCS 1205/1-1 et seq.);

(5) The Chicago Park District Act, as amended (70 ILCS 1505/ 0.01 et seq.);

(6) The State Parks Act, as amended (20 ILCS 835/ 0.01 et seq.);

(7) The State Forest Act, as amended (525 ILCS 40/ 0.01 et seq.);

(8) The Forest Fire Protection District Act, as amended (425 ILCS 40/ 0.01 et seq.);

(9) The Snowmobile Registration and Safety Act, as amended (625 ILCS 40/1-1 et seq.);

(10) The Endangered Species Protection Act, as amended (520 ILCS 10/1 et seq.);

(11) The Timber Transportation Act, as amended (225 ILCS 740/1 et seq.);

(12) The Timber Buyers Licensing Act, as amended (225 ILCS 735/1 et seq.);

(13) The Downstate Forest Preserve District Act, as amended (70 ILCS 805/ 0.001 et seq.);

(14) The Exotic Weed Act, as amended (525 ILCS 10/1 et seq.);

(15) The Ginseng Harvesting Act, as amended (525 ILCS 20/ 0.01 et seq.);

(16) The Cave Protection Act, as amended (525 ILCS 5/1 et seq.);

(17) Any regulations, proclamations or ordinances adopted pursuant to any code or act named in this Rule 501(c);

(18) Ordinances adopted pursuant to the Counties Code for the acquisition of property for parks or recreational areas (55 ILCS 5/5-1005(18));

(19) The Recreational Trails of Illinois Act, as amended (20 ILCS 862/1 et seq.);

(20) The Herptiles-Herps Act, as amended (510 ILCS 68/1-1 et seq.);

(21) The Wild Animal Public Safety Act, as amended (520 ILCS 35/1 et seq.).

(d) Reserved.

(e) Unit of Local Government. Any county, municipality, township, special district, or unit designated as a unit of local government by law.

(f) Traffic Offense. (1) Any case which charges a violation of any statute, ordinance or regulation relating to the operation or use of motor vehicles, the use of streets and highways by pedestrians or the operation of any other wheeled or tracked vehicle. Traffic cases are classified as follows:

(i) “Major Traffic Offense” means a traffic offense under the Toll Highway Act (605 ILCS 10/1 et seq.), Illinois Vehicle Code (625 ILCS 5/1-100 et seq.), or a similar provision of a local ordinance other than a petty offense or business offense that is punishable by a term of imprisonment of less than one year.

(ii) “Minor Traffic Offense” means a petty offense or business offense under the Toll

Highway Act (605 ILCS 10/1 et seq.), Child Passenger Protection Act (625 ILCS 25/1 et seq.), Illinois Vehicle Code (625 ILCS 5/1-100 et seq.), or a similar provision of a local ordinance. (2) A traffic offense does not include a case in which a ticket was served by “tie-on,” “hang-on,” or “appended” methods and cases charging violations of:

(i) Article I of chapter 4 of the Illinois Vehicle Code, as amended (anti-theft laws) (625 ILCS 5/4-100 et seq.);

(ii) Any charge punishable upon conviction by imprisonment in the penitentiary; (iii) “Jay-walking” ordinances of any unit of local government; (iv)Any conservation offense (see Rule 501(c)).

(g) Notice to appear. An option allowing release by a written request issued by a peace officer that a person appear before a court at a stated time and place (725 ILCS 5/107-1(c)).

End

Plain-English Summary

Article V bundles together three different kinds of low-level cases: traffic tickets, conservation citations (fishing, hunting, boating, and similar violations), and local ordinance violations. Rule 501 draws the lines between them before any procedural rule can apply.

A conservation offense means a charge under one of a specific list of state statutes — the Fish and Aquatic Life Code, the Wildlife Code, the Boat Registration and Safety Act, and more — as long as the charge doesn't carry a possible prison sentence. A traffic offense covers the operation of vehicles on public roads and splits further into “major” offenses (which can carry up to a year in jail) and “minor” offenses (petty or business offenses under the Vehicle Code, the Toll Highway Act, or the Child Passenger Protection Act).

The rule also defines a notice to appear: an officer's option to release someone on a written promise to show up in court later, instead of making an arrest. Several subsections are marked “Reserved,” a sign that earlier definitions were moved, folded into other rules, or dropped as the article was rewritten over the decades.

Frequently Asked Questions

What counts as a conservation offense in Illinois?

It's a charge under one of the specific statutes listed in Rule 501(c) — covering fish, wildlife, boating, state parks and forests, and similar subjects — as long as the offense doesn't carry a possible prison sentence.

What's the difference between a major and a minor traffic offense?

A major traffic offense is a Vehicle Code or Toll Highway Act violation that can carry up to a year in jail. A minor traffic offense is a petty or business offense under those same laws, or under the Child Passenger Protection Act.

What is a notice to appear?

It's a written promise, given instead of an arrest, that the accused will show up in court on a stated date and time.

Does Rule 501 cover parking tickets or noise complaints?

No. Those are ordinance violations, governed separately by Part E (Rules 570 through 579), not by the traffic and conservation definitions in Rule 501.

Why are some parts of Rule 501 marked 'Reserved'?

Those subsections once held definitions that have since been relocated, merged into other provisions, or removed as the rule was amended over the years.

Amendment History

Amended effective October 7, 1970; amended January 31, 1972, effective March 1, 1972; amended February 17, 1977, effective April 1, 1977, in counties other than Cook, effective July 1, 1977, in Cook County; amended December 22, 1981, effective January 15, 1982; amended April 27, 1984, effective July 1, 1984; amended March 27, 1985, effective May 1, 1985; amended June 26, 1987, effective August 1, 1987; amended June 19, 1989, effective August 1, 1989; amended December 7, 1990, effective January 1, 1991; amended June 12, 1992, effective July 1, 1992; amended May 24, 1995, effective January 1, 1996; amended September 30, 2002, effective immediately; amended June 11, 2009, effective immediately; amended August 6, 2010, effective September 15, 2010; amended Dec. 12, 2013, eff. Jan. 1, 2014; amended June 11, 2014, eff. July 1, 2014; amended December 30, 2014, eff. Jan. 1, 2015; amended Oct. 15, 2015, eff. immediately; amended Dec. 29, 2017, eff. Jan. 1, 2018; amended Dec. 10, 2018, eff. Jan. 1, 2019; amended Mar. 8, 2019, eff. July 1, 2019; amended Feb. 6, 2020, eff. Mar. 1, 2020; amended June 9, 2020, eff. July 1, 2020; amended Oct. 27, 2022, eff. Sept. 18, 2023; amended June 3, 2025, eff. immediately; amended Feb. 3, 2026, eff. immediately.

Source & verification. Rule text, official Committee Comments, and amendment history are reproduced verbatim from the Illinois Supreme Court Rules, promulgated by the Supreme Court of Illinois. Last verified July 20, 2026. · Official source

Also known as: what is a traffic offense in Illinoisconservation offense definitionnotice to appear meaningmajor vs minor traffic ticketIllinois traffic ticket rule definitions