(5 ILCS 20/0.01) (from Ch. 1, par. 100) Sec. 0.01. Short title. This Act may be cited as the Illinois Constitutional Amendment Act. (Source: P.A. 86-1324.)

(5 ILCS 20/1) (from Ch. 1, par. 101) Sec. 1. Amendments to the Constitution of this State may be proposed by joint resolution in either house of the General Assembly, and if the same shall be voted for by 3/5 of all the members elected to each of the 2 houses in the manner provided by Section 2 of Article XIV of the Constitution, the amendment or amendments proposed shall be submitted to the electors of this State for adoption or rejection in the manner hereinafter provided. (Source: P.A. 98-463, eff. 8-16-13.)

(5 ILCS 20/1a) (from Ch. 1, par. 102) Sec. 1a. An amendment to Article IV of the Constitution proposed by petition in the manner provided by Section 3 of Article XIV of the Constitution shall be submitted to the electors of this State for adoption or rejection in the manner hereinafter provided, unless such petition is determined not to be valid or sufficient as provided by law. (Source: P.A. 81-163)

(5 ILCS 20/2) (from Ch. 1, par. 103) Sec. 2. The General Assembly in submitting an amendment to the Constitution to the electors, or the proponents of an amendment to Article IV of the Constitution submitted by petition, shall prepare a brief explanation of such amendment, a brief argument in favor of the same, and the form in which such amendment will appear on the separate ballot as provided by Section 16-6 of the Election Code, as amended. The minority of the General Assembly, or if there is no minority, anyone designated by the General Assembly shall prepare a brief argument against such amendment. In the case of an amendment to Article IV of the Constitution initiated pursuant to Section 3 of Article XIV of the Constitution, the proponents shall be those persons so designated at the time of the filing of the petition as provided in Section 10-8 of the Election Code, and the opponents shall be those members of the General Assembly opposing such amendment, or if there are none, anyone designated by the General Assembly and such opponents shall prepare a brief argument against such amendment. The proponent's explanation and argument in favor of and the opponents argument against an amendment to Article IV initiated by petition must be submitted to the Attorney General, who may rewrite them for accuracy and fairness. The explanation, the arguments for and against each constitutional amendment, and the form in which the amendment will appear on the separate ballot shall be filed in the office of the Secretary of State with the proposed amendment. At least one month before the next election of members of the General Assembly, following the passage of the proposed amendment, the Secretary of State shall publish the amendment, in full in 8 point type, or the equivalent thereto, in at least one secular newspaper of general circulation in every county in this State in which a newspaper is published. In counties in which 2 or more newspapers are published, the Secretary of State shall cause such amendment to be published in 2 newspapers. In counties having a population of 500,000 or more, such amendment shall be published in not less than 6 newspapers of general circulation. After the first publication, the publication of such amendment shall be repeated once each week for 2 consecutive weeks. In selecting newspapers in which to publish such amendment the Secretary of State shall have regard solely to the circulation of such newspapers, selecting secular newspapers in every case having the largest circulation. The proposed amendment shall have a notice prefixed thereto in said publications, that at such election the proposed amendment will be submitted to the electors for adoption or rejection, and at the end of the official publication, he shall also publish the form in which the proposed amendment will appear on the separate ballot. The Secretary of State shall fix the publication fees to be paid newspapers for making such publication, but in no case shall such publication fee exceed the amount charged by such newspapers to private individuals for a like publication. In addition to the notice hereby required to be published, the Secretary of State shall also cause the existing form of the constitutional provision proposed to be amended, the proposed amendment, the explanation of the same, the arguments for and against the same, and the form in which such amendment will appear on the separate ballot, to be published in pamphlet form in 8 point type or the equivalent thereto; and the Secretary of State shall mail such pamphlet to every mailing address in the State, addressed to the attention of the Postal Patron. He shall also maintain a reasonable supply of such pamphlets so as to make them available to any person requesting one. (Source: P.A. 98-463, eff. 8-16-13.)

(5 ILCS 20/2a) (from Ch. 1, par. 104) Sec. 2a. The State Board of Elections as constituted in the Election Code shall, not later than the time prescribed by law for certifying the candidates for State offices to be voted upon at the same election, certify to the several county clerks any proposal to amend the constitution. The several county clerks shall certify such proposal to any board of election commissioners within their respective counties not later than the time prescribed by law for the certification of candidates. (Source: P.A. 77-2790.)

(5 ILCS 20/3) (from Ch. 1, par. 105) Sec. 3. The county clerks of the respective counties of this state shall with the election notices of the next succeeding election of members of the General Assembly ensuing the adoption of the joint resolution proposing an amendment or amendments, or ensuing the submission of petitions for an amendment to Article IV of the Constitution, and in the manner required by law for notices of general elections, give notice that at such election said proposed amendment or amendments will be submitted to the electors of this state for adoption or rejection. (Source: P.A. 81-163.)

(5 ILCS 20/4) (from Ch. 1, par. 106) Sec. 4. At the election, the proposed amendment and explanation shall be printed upon the separate ballot in accordance with the provisions of Section 16-6 of "An Act concerning elections," approved May 11, 1943, as amended. (Source: Laws 1949, p. 18.)

(5 ILCS 20/5) (from Ch. 1, par. 107) Sec. 5. The votes cast for and against the proposed amendment or amendments to the constitution shall be by the judges of such election received, canvassed and returned to the county clerks of their respective counties, at the same time and in the same manner as the votes cast at the election for members of the General Assembly are by law required to be received, canvassed and returned to the clerks. (Source: Laws 1957, p. 1285.)

(5 ILCS 20/6) (from Ch. 1, par. 108) Sec. 6. The county canvassing boards of the counties respectively shall at the time it opens the returns and makes abstracts of the votes cast at such elections for officers, also make abstracts in duplicate of the votes cast for and against such proposed amendment or amendments to the constitution. And immediately after the completion of the abstracts the county canvassing boards shall inclose one of the same in a sealed envelope, and indorse thereon the words "Abstract of votes for and against amendment of the constitution," and address and mail the same to the State Board of Elections, and shall file the other of the abstracts in the county clerk's office. (Source: P.A. 97-81, eff. 7-5-11.)

(5 ILCS 20/7) (from Ch. 1, par. 109) Sec. 7. The State Board of Elections created by the Election Code shall proceed, within 20 days after the election and sooner if all the returns are received, to canvass the votes given for and against said amendment or amendments, as shown by said abstracts, and if it appears that a majority of the electors voting in the election or 3/5 of the electors voting on any such proposed amendment have voted for the proposed amendment or amendments, the same shall by said board be declared adopted, and become a part of the Constitution of this State, and the Governor shall cause proclamation to be made of the result of the vote, and that said amendment has become a part of the Constitution, by publication in at least 2 newspapers published at the seat of government. (Source: P.A. 77-2790.)

(5 ILCS 20/7.1) Sec. 7.1. Effective date of amendments. An amendment to the constitution may include a schedule specifying when the amendment takes effect. An amendment to the constitution that includes a schedule shall, if adopted, take effect in accordance with the schedule. An amendment to the constitution that does not include a schedule takes effect upon being declared adopted in accordance with Section 7. (Source: P.A. 88-597, eff. 8-28-94.)

(5 ILCS 20/8) (from Ch. 1, par. 110) Sec. 8. Whenever any amendments to the constitution shall have been proposed to, and adopted by the electors of this state in the manner provided by this act, the same shall be enrolled and numbered in the order of time in which they may be adopted, and preserved by the secretary of state among the records of his office. (Source: Laws 1877, p. 4.)