Iowa Constitutional Amendment Citations in the Iowa Acts

Amendments to the Constitution of the State of Iowa, as approved by successive Iowa General Assemblies, published, and ratified by a majority of the electors qualified to vote for members of the Iowa General Assembly. Vote results (1936 to present).
Amendment Description Citation in the Iowa Acts
1Qualifications of Electors1866 Acts, ch. 98
1868 Acts, ch. 68
2Census1866 Acts, ch. 98
1868 Acts, ch. 68
3Senators - Apportionment1866 Acts, ch. 98
1868 Acts, ch. 68
4Senators - Representatives - Apportionment1866 Acts, ch. 98
1868 Acts, ch. 68
5Militia - composition1866 Acts, ch. 98
1868 Acts, ch. 68
6Representatives - qualifications1878 Acts, J.R. 5
1880 Acts, J.R. 6
7General election1882 Acts, J.R. 12
1884 Acts, J.R. 13
8Judicial districts1882 Acts, J.R. 12
1884 Acts, J.R. 13
9Grand Jury1882 Acts, J.R. 12
1884 Acts, J.R. 13
10County attorney1882 Acts, J.R. 12
1884 Acts, J.R. 13
11General election1902 Acts, J.R. 5
1904 Acts, J.R. 1
12Senators - number - method of apportionment; Representatives - number - apportionment; Ratio of representation1902 Act, J.R. 2
1904 Acts, J.R. 2
13Drainage ditches and levees1904 Acts, J.R. 6
1906 Acts, J.R. 1
1907 Acts, H.J.R. 2
14General election1913 Acts, H.J.R. 3
1915 Acts, ch. 210
15Legislative department1923 Acts, ch. 387
1925 Acts, ch. 282
16Senators - number - method of apportionment; Legislative department1925 Acts, ch. 279
1927 Acts, ch. 353
17Census repeal1933 Acts, ch. 268
1935 Acts, ch. 223
18Motor vehicle fees and fuel taxes1939 Acts, ch. 307
1941 Acts, ch. 342
19Death of governor - elect or failure to qualify1949 Acts, ch. 309
1951 Acts, ch. 268
20Gubernatorial succession1949 Acts, ch. 309
1951 Acts, ch. 268
21Judicial department1959 Acts, ch. 420
1961 Acts, ch. 343
22Constitutional convention1961 Acts, ch. 345
1963 Acts, ch. 372
23Effective date of Acts1963 Acts, ch. 373
1965 Acts, ch. 480
24Annual sessions of General Assembly1965 Acts, ch. 472
1967 Acts, ch. 461
25Municipal home rule1965 Acts, ch. 477
1967 Acts, ch. 462
26Senators - number - method of apportionment; Representatives - number - apportionment; Ratio of representation; Legislative department; General Assembly membership; Congressional districts1965 Acts, ch. 473
1967 Acts, ch. 463
27Item veto by Governor1965 Acts, ch. 474
1967 Acts, ch. 464
28Compensation and expenses of General Assembly1965 Acts, ch. 475
1967 Acts, ch. 466
29Legislative districts1967 Acts, ch. 467
1969 Acts, ch. 325
30Electors1967 Acts, ch. 465
1969 Acts, ch. 326
31County attorney1967 Acts, ch. 468
1969 Acts, ch. 327
32Terms of governor and lieutenant governor; Terms of secretary, auditor and treasurer; Term of attorney general1970 Acts, ch. 1307
1971 Acts, ch. 290
33Retirement and discipline of judges1970 Acts, ch. 1306
1971 Acts, ch. 291
34Lottery prohibition1970 Acts, ch. 1308
1972 Acts, ch. 1141
35Apportionment of fines1972 Acts, ch. 1143
1974 Acts, ch. 1282
36Annual sessions of General Assembly - special sessions1972 Acts, ch. 1142
1974 Acts, ch. 1283
37Counties home rule1976 Acts, ch. 1263
1978 Acts, ch. 1206
38Nullification of administrative rules1982 Acts, ch. 1266
1983 Acts, ch. 209
39Distribution1982 Acts, ch. 1267
1983 Acts, ch. 210
40Time laws to take effect1984 Acts, ch. 1318
1985 Acts, ch. 269
41Election and term; Governor and lieutenant governor elected jointly - returns of elections; Election by general assembly in case of tie - succession by lieutenant governor; Contested elections1986 Acts, ch. 1251
1988 Acts, ch. 1285
42Terms - compensation; Duties of lieutenant governor; Succession to office of governor and lieutenant governor1986 Acts, ch. 1251
1988 Acts, ch. 1285
43Dueling1989 Acts, ch. 325
1992 Acts, ch. 1248
44Fish and wildlife protection funds1993 Acts, ch. 184
1995 Acts, ch. 221
45Rights of persons1995 Acts, ch. 222
1997 Acts, ch. 216
46When indictment necessary - grand jury1996 Acts, ch. 1220
1997 Acts, ch. 217
47Disqualified persons2006 Acts, ch. 1188
2007 Acts, ch. 223
48Natural resources2008 Acts, ch. 1194
2009 Acts, ch. 185
49Right of the People to Keep and Bear Arms2019 Acts, ch. 168
2021 Acts, ch. 185