(5 ILCS 75/0.01) (from Ch. 1, par. 1200) Sec. 0.01. Short title. This Act may be cited as the Effective Date of Laws Act. (Source: P.A. 86-1324.)

(5 ILCS 75/1) (from Ch. 1, par. 1201) Sec. 1. Bills passed before June 1. (a) A bill passed prior to June 1 of a calendar year that does not provide for an effective date in the terms of the bill shall become effective on January 1 of the following year, or upon its becoming a law, whichever is later. (b) A bill passed prior to June 1 of a calendar year that does provide for an effective date in the terms of the bill shall become effective on that date if that date is the same as or subsequent to the date the bill becomes a law; provided that if the effective date provided in the terms of the bill is prior to the date the bill becomes a law then the date the bill becomes a law shall be the effective date. (Source: P.A. 88-597, eff. 11-28-94.)

(5 ILCS 75/2) (from Ch. 1, par. 1202) Sec. 2. Bills passed after May 31. A bill passed after May 31 of a calendar year shall become effective on June 1 of the next calendar year unless the General Assembly by a vote of three-fifths of the members elected to each house provides for an earlier effective date in the terms of the bill or unless the General Assembly provides for a later effective date in the terms of the bill; provided that if the effective date provided in the terms of the bill is prior to the date the bill becomes a law then the date the bill becomes a law shall be the effective date. (Source: P.A. 88-597, eff. 11-28-94.)

(5 ILCS 75/2.1) Sec. 2.1. Transitional provisions; bills passed in 1994. (a) Notwithstanding Section 2, a bill passed after June 30, 1994 but before January 1, 1995 shall become effective on July 1, 1995 unless the General Assembly by a vote of three-fifths of the members elected to each house provides for an earlier effective date in the terms of the bill or unless the General Assembly provides for a later effective date in the terms of the bill; provided that if the effective date provided in the terms of the bill is prior to the date the bill becomes a law then the date the bill becomes a law shall be the effective date. (b) Notwithstanding Section 2, a bill passed after May 31, 1994 but before July 1, 1994 that becomes a law before the effective date of this Section and does not provide for an effective date in the terms of the bill shall become effective on January 1, 1995. Notwithstanding Section 2, a bill passed after May 31, 1994 but before July 1, 1994 that becomes a law before the effective date of this Section and provides for an effective date in the terms of the bill shall become effective on that date if that date is the same as or subsequent to the date the bill becomes a law; if the effective date provided in the terms of the bill is prior to the date the bill becomes a law then the date the bill becomes a law shall be the effective date. Notwithstanding Section 2, a bill passed after May 31, 1994 but before July 1, 1994 that becomes law on or after the effective date of this Section shall become effective on July 1, 1995 unless the General Assembly by a vote of three-fifths of the members elected to each house provides for an earlier effective date in the terms of the bill or unless the General Assembly provides for a later effective date in the terms of the bill; provided that if the effective date provided in the terms of the bill is prior to the date the bill becomes a law then the date the bill becomes a law shall be the effective date. (Source: P.A. 88-597, eff. 11-28-94.)

(5 ILCS 75/3) (from Ch. 1, par. 1203) Sec. 3. For purposes of determining the effective dates of laws, a bill is "passed" at the time of its final legislative action prior to presentation to the Governor pursuant to paragraph (a) of Section 9 of Article IV of the Constitution. (Source: P.A. 78-85.)

(5 ILCS 75/4) (from Ch. 1, par. 1204) Sec. 4. As used in this Act, "bill" includes an item of appropriations contained in a bill, and "terms of the bill" includes effective date provisions of a bill which are applicable to items of appropriations contained in the bill. (Source: P.A. 78-85.)

(5 ILCS 75/5) (from Ch. 1, par. 1205) Sec. 5. A bill "becomes a law" pursuant to Sections 8 and 9 of Article IV of the Constitution. (Source: P.A. 78-85.)

(5 ILCS 75/6) (from Ch. 1, par. 1206) Sec. 6. As used in this Act, "Constitution" means the Constitution of the State of Illinois of 1970. (Source: P.A. 99-78, eff. 7-20-15.)