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Iowa Code Effective Date of Laws Effective Dates

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CONSTITUTIONAL ARTICLE 3

§ 26. Time laws to take effect. An act of the general assembly passed at a regular session of a general assembly shall take effect on July 1 following its passage unless a different effective date is stated in an act of the general assembly. An act passed at a special session of a general assembly shall take effect ninety days after adjournment of the special session unless a different effective date is stated in an act of the general assembly. The general assembly may establish by law a procedure for giving notice of the contents of acts of immediate importance which become law. As amended general election Nov. 8, 1966; Nov. 4, 1986.

ICA § 3.7

1. All Acts and resolutions of a public nature passed at regular sessions of the general assembly shall take effect on the first day of July following their passage, unless some other specified time is provided in an Act or resolution.

2. All Acts and resolutions of a public nature which are passed prior to July 1 at a regular session of the general assembly and which are approved by the governor on or after July 1, shall take effect forty-five days after approval. However, this subsection shall not apply to Acts provided for in section 3.12 or Acts and resolutions which specify when they take effect.

3. All Acts and resolutions passed at a special session of the general assembly shall take effect ninety days after adjournment of the special session unless a different effective day is stated in an Act or resolution.

4. An Act which is effective upon enactment is effective upon the date of signature by the governor; or if the governor fails to sign it and returns it with objections, upon the date of passage by the general assembly after reconsideration as provided in Article III, section 16 of the Constitution of the State of Iowa; or if the governor fails to sign or return an Act submitted during session, but prior to the last three days of a session, on the fourth day after it is presented to the governor for the governor's approval. An Act which has an effective date which is dependent upon the time of enactment shall have the time of enactment determined by the standards of this subsection.

5. A concurrent or joint resolution which is effective upon enactment is effective upon the date of final passage by both chambers of the general assembly, except that such a concurrent or joint resolution requiring the approval of the governor under section 262A.4 or otherwise requiring the approval of the governor is effective upon the date of such approval. A resolution which is effective upon enactment is effective upon the date of passage. A concurrent or joint resolution or resolution which has an effective date which is dependent upon the time of enactment shall have the time of enactment determined by the standards of this subsection.

6. Unless retroactive effectiveness is specifically provided for in an Act or resolution, an Act or resolution which is enacted after an effective date provided in the Act or resolution shall take effect upon the date of enactment.

7. Proposed legalizing Acts shall be published prior to passage as provided in chapter 585.

8. An Act or resolution under this section is also subject to the applicable provisions of Article III, sections 16 and 17 of the Constitution of the State of Iowa.

Amended by Acts 1967 (62 G.A.) ch. 83, § 1, eff. July 1, 1967; Acts 1967 (62 G.A.) ch. 85, § 1, eff. July 1, 1967; Acts 1987 (72 G.A.) ch. 1, § 1, eff. Feb. 19, 1987; Acts 2006 (81 G.A.) ch. 1010, H.F. 2543, § 2.

Iowa Legislative Sessions

TERRITORY OF IOWA

Legislative Assembly

Convened

Adjourned

1st․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Nov. 12, 1838․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Jan. 25, 1839

2nd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Nov. 4, 1839․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Jan. 17, 1840

2nd, Extra․․․․․․․․․․․․․․․․․․․․․․․

July 13, 1840․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․Aug. 1, 1840

3rd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Nov. 2, 1840․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Jan. 15, 1841

4th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Dec. 6, 1841․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Feb. 18, 1842

5th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Dec. 5, 1842․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Feb. 17, 1843

6th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Dec. 4, 1843․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Feb. 16, 1844

6th, Extra․․․․․․․․․․․․․․․․․․․․․․․

June 17, 1844

7th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

May 5, 1845․․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․June 11, 1845

8th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Dec. 1, 1845․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Jan. 19, 1846

STATE OF IOWA

General Assembly

Convened

Adjourned

1st․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Nov. 30, 1846․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Feb. 25, 1847

1st, Extra․․․․․․․․․․․․․․․․․․․․․․․

Jan. 3, 1848․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Jan. 25, 1848

2nd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Dec. 4, 1848․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Jan. 15, 1849

3rd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Dec. 2, 1850․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․Feb. 5, 1851

4th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Dec. 6, 1852․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Jan. 24, 1853

5th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Dec. 4, 1854․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Jan. 26, 1855

5th, Extra․․․․․․․․․․․․․․․․․․․․․․․

July 2, 1856․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․July 16, 1856

6th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Dec. 1, 1856․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Jan. 29, 1857

7th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 11, 1858․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 23, 1858

8th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 8, 1860․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 3, 1860

8th, Extra․․․․․․․․․․․․․․․․․․․․․․․

May 15, 1861․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 29, 1861

9th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 13, 1862․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 8, 1862

9th, Extra․․․․․․․․․․․․․․․․․․․․․․․

Sept. 3, 1862․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․Sept. 11, 1862

10th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 11, 1864․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 29, 1864

11th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 8, 1866․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 3, 1866

12th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 13, 1868․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 8, 1868

13th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 10, 1870․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 13, 1870

14th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 8, 1872․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 23, 1872

15th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 12, 1874․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 19, 1874

16th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 10, 1876․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 16, 1876

17th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 14, 1878․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 26, 1878

18th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 12, 1880․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 27, 1880

19th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 9, 1882․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 17, 1882

20th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 14, 1884․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 2, 1884

21st․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 11, 1886․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 13, 1886

22nd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 9, 1888․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 10, 1888

23rd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 13, 1890․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 15, 1890

24th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 11, 1892․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 30, 1892

25th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 8, 1894․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 6, 1894

26th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 13, 1896․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 11, 1896

26th, Extra․․․․․․․․․․․․․․․․․․․․․․

Jan. 19, 1897․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 11, 1897

27th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 10, 1898․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 1, 1898

28th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 8, 1900․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 6, 1900

29th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 13, 1902․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 11, 1902

30th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 11, 1904․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 12, 1904

31st․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 8, 1906․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 6, 1906

32nd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 14, 1907․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 9, 1907

32nd, Extra․․․․․․․․․․․․․․․․․․․․․․

Aug. 31, 1908․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Nov. 24, 1908

33rd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 11, 1909․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 9, 1909

34th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 9, 1911․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 12, 1911

35th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 13, 1913․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 19, 1913

36th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 11, 1915․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 17, 1915

37th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 8, 1917․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 14, 1917

38th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 13, 1919․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 19, 1919

39th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 10, 1921․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 8, 1921

40th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 8, 1923․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 17, 1923

40th, Extra․․․․․․․․․․․․․․․․․․․․․․

April 18, 1923․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․July 30, 1924

41st․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 12, 1925․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 3, 1925

42nd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 10, 1927․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 15, 1927

42nd, Extra․․․․․․․․․․․․․․․․․․․․․․

March 5, 1928․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 14, 1928

43rd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 14, 1929․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 12, 1929

44th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 12, 1931․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 15, 1931

45th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 9, 1933․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 20, 1933

45th, Extra․․․․․․․․․․․․․․․․․․․․․․

Nov. 6, 1933․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 12, 1934

46th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 14, 1935․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 23, 1935

46th, Extra․․․․․․․․․․․․․․․․․․․․․․

Dec. 21, 1936․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Dec. 24, 1936

47th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 11, 1937․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 20, 1937

48th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 9, 1939․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 26, 1939

49th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 13, 1941․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 10, 1941

50th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 11, 1943․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 8, 1943

50th, Extra․․․․․․․․․․․․․․․․․․․․․․

Jan. 26, 1943․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Jan. 28, 1943

51st․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 8, 1945․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 13, 1945

52nd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 13, 1947․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 25, 1947

53rd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 10, 1949․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 20, 1949

54th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 8, 1951․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 17, 1951

55th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 12, 1953․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 29, 1953

56th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 10, 1955․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 29, 1955

57th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 14, 1957․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 3, 1957

58th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 12, 1959․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 7, 1959

59th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 9, 1961․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 6, 1961

60th․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 4, 1963․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 18, 1963

60th, Extra․․․․․․․․․․․․․․․․․․․․․․

Feb. 24, 1964․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 8, 1964

61st․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 11, 1965․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․June 4, 1965

62nd․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

Jan. 9, 1967․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․July 2, 1967 1

63rd, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 13, 1969․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 23, 1969

63rd, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 12, 1970․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 16, 1970

64th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 11, 1971․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․June 19, 1971

64th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 10, 1972․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 24, 1972

65th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 2, 1973․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․June 24, 1973

65th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 14, 1974․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 4, 1974

66th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 13, 1975․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․June 20, 1975

66th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 12, 1976․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 29, 1976

67th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 10, 1977․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․June 13, 1977

67th, Extra․․․․․․․․․․․․․․․․․․․․․․

June 21, 1977․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․June 25, 1977

67th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 9, 1978․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․July 16, 1978

68th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 8, 1979․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 11, 1979

68th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 14, 1980․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 26, 1980

69th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 12, 1981․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 22, 1981

69th, 1st Extra․․․․․․․․․․․․․․․․․․

June 24, 1981․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․June 25, 1981

69th, 2nd Extra․․․․․․․․․․․․․․․․․․

Aug. 12, 1981․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Aug. 14, 1981

69th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 11, 1982․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 24, 1982

70th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 10, 1983․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 14, 1983

70th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 9, 1984․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 20, 1984

71st, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 14, 1985․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 4, 1985

71st, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 13, 1986․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 2, 1986

72nd, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 12, 1987․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 10, 1987

72nd, 1st Sp.Sess.․․․․․․․․․․․․․․․

June 4, 1987․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․June 6, 1987

72nd, 2nd Sp.Sess.․․․․․․․․․․․․․․․

October 27, 1987․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․October 27, 1987

72nd, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 11, 1988․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 17, 1988

73rd, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 9, 1989․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 7, 1989

73rd, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 8, 1990․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․April 8, 1990

74th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 14, 1991․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 12, 1991

74th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 13, 1992․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 4, 1992

74th, 1st Spec. Sess.․․․․․․․․․․․․

May 20, 1992․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 20, 1992

74th, 2nd Spec. Sess․․․․․․․․․․․․․

June 25, 1992․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․June 25, 1992

75th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 11, 1993․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 2, 1993

75th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 10, 1994․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 20, 1994

76th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 9, 1995․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 4, 1995

76th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 8, 1996․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 2, 1996

77th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 6, 1997․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 29, 1997

77th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 12, 1998․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 22, 1998

78th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 11, 1999․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 29, 1999

78th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 10, 2000․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 26, 2000

79th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 8, 2001․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 8, 2001

79th, 1st Ex.Sess.․․․․․․․․․․․․․․․

June 19, 2001․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․June 19, 2001

79th, 2nd Ex.Sess.․․․․․․․․․․․․․․․

Nov. 8, 2001․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․Nov. 8, 2001

79th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 14, 2002․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 12, 2002

79th, 1st Ex.Sess.․․․․․․․․․․․․․․․

April 22, 2002․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 22, 2002

79th, 2nd Ex.Sess.․․․․․․․․․․․․․․․

May 28, 2002․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 28, 2002

80th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 13, 2003․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 1, 2003

80th, 1st Ex.Sess.․․․․․․․․․․․․․․․

May 29, 2003․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․June 4, 2003

80th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 12, 2004․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 20, 2004

80th, 2nd Ex.Sess.․․․․․․․․․․․․․․․

Sept. 7, 2004․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Sept. 7, 2004

81st, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 10, 2005․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 20, 2005

81st, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 9, 2006․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 4, 2006

81st, 1st Ex.Sess.․․․․․․․․․․․․․․․

July 14, 2006․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․July 14, 2006

82nd, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 8, 2007․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 29, 2007

82nd, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 14, 2008․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 26, 2008

83rd, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 12, 2009․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 26, 2009

83rd, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 11, 2010․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․March 30, 2010

84th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 10, 2011․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․June 30, 2011

84th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 9, 2012․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 9, 2012

85th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 14, 2013․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 23, 2013

85th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 13, 2014․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 2, 2014

86th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 12, 2015․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․June 5, 2015

86th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 11, 2016․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 20, 2016

87th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 9, 2017․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 22, 2017

87th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 8, 2018․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․․May 4, 2018

88th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 14, 2019․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․April 27, 2019

88th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 13, 2020․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․June 14, 2020

89th, 1st Sess.․․․․․․․․․․․․․․․․․․

Jan. 11, 2021․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 19, 2021

89th, 1st Ex. Sess.․․․․․․․․․․․․․․

Oct. 5, 2021․․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․Oct. 5, 2021

89th, 2nd Ex. Sess.․․․․․․․․․․․․․․

Oct. 28, 2021․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․Oct. 28, 2021

89th, 2nd Sess.․․․․․․․․․․․․․․․․․․

Jan. 10, 2022․․․․․․․․․․․․․․․․․․․․

․․․․․․․․․․․․․․․․․․․․․May 25, 2022

1 For effective dates of Acts passed by the 62nd General Assembly before July 1, 1967, but not approved until after that date and Acts passed on or after July 1, 1967, see Opinion of the Attorney General dated Nov. 2, 1967 covered under Notes of Decisions to § 3.7.

Cite this article: FindLaw.com - Iowa Code Effective Date of Laws Effective Dates - last updated January 01, 2020 | https://codes.findlaw.com/ia/effective-date-of-laws/ia-code-effective-dates/


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