LRB-1939/1
JK:klm&cjs
2023 - 2024 LEGISLATURE
May 8, 2023 - Introduced by Representatives O'Connor, Macco, Allen,
Armstrong, Wittke, Magnafici, Brandtjen, Murphy, Dittrich, Moses,
Gundrum and Behnke. Referred to Committee on Ways and Means.
AB262,1,9 1An Act to amend 71.06 (1q) (intro.), 71.06 (2) (i) (intro.), 71.06 (2) (j) (intro.),
271.06 (2e) (a), 71.06 (2e) (b), 71.06 (2m), 71.06 (2s) (d), 71.125 (1), 71.125 (2),
371.17 (6), 71.64 (9) (b) (intro.), 71.67 (5) (a) and 71.67 (5m); and to create 71.06
4(1r), 71.06 (2) (k), 71.06 (2) (km), 71.06 (2) (L), 71.06 (2) (Lm), 71.06 (2) (m), 71.06
5(2) (mm), 71.06 (2) (n), 71.06 (2) (nn), 71.06 (2) (o), 71.06 (2) (oo), 71.06 (2e) (be),
671.06 (2e) (bm), 71.06 (2e) (bs), 71.06 (2e) (bt), 71.06 (2e) (bu), 71.06 (2s) (e),
771.06 (2s) (f), 71.06 (2s) (g), 71.06 (2s) (h), 71.06 (2s) (i) and 71.06 (4) of the
8statutes; relating to: phase-in changes to individual income tax rates and
9brackets.
Analysis by the Legislative Reference Bureau
This bill modifies the individual income tax rates and brackets beginning with
the 2024 tax year and ending with the 2028 tax year. The bill decreases individual
income tax rates each year for each tax bracket. Beginning with tax year 2027, the
tax rate for individuals whose income is $7,500 or less, before being adjusted for
inflation, is zero. Beginning with tax year 2028, the tax rate for individuals whose
income exceeds $7,500, before being adjusted for inflation, is 4.5 percent.
Under current law, there are four income tax brackets for single individuals,
certain fiduciaries, heads of households, and married persons, and the brackets are

indexed for inflation. The rate of taxation under current law for the lowest bracket
for single individuals, certain fiduciaries, heads of households, and married persons
is 3.54 percent of taxable income. The rate for the second bracket is 4.65 percent.
The rate for the third bracket is 5.3 percent. And the rate for the highest bracket is
7.65 percent. Before bracket indexing, the four brackets for individuals, certain
fiduciaries, and heads of households, to which the above rates apply, are as follows:
1) taxable income from $0 to $7,500; 2) taxable income exceeding $7,500 but not
exceeding $15,000; 3) taxable income exceeding $15,000 but not exceeding $225,000;
and 4) taxable income exceeding $225,000.
Because this bill relates to an exemption from state or local taxes, it may be
referred to the Joint Survey Committee on Tax Exemptions for a report to be printed
as an appendix to the bill.
For further information see the state fiscal estimate, which will be printed as
an appendix to this bill.
The people of the state of Wisconsin, represented in senate and assembly, do
enact as follows:
AB262,1 1Section 1. 71.06 (1q) (intro.) of the statutes is amended to read:
AB262,2,72 71.06 (1q) Fiduciaries, single individuals, and heads of households; after
32012
and before 2024. (intro.) The tax to be assessed, levied, and collected upon the
4taxable incomes of all fiduciaries, except fiduciaries of nuclear decommissioning
5trust or reserve funds, and single individuals and heads of households shall be
6computed at the following rates for taxable years beginning after December 31, 2012,
7and before January 1, 2024
:
AB262,2 8Section 2 . 71.06 (1r) of the statutes is created to read:
AB262,2,149 71.06 (1r) Fiduciaries, single individuals, and heads of households; after
102023.
(a) The tax to be assessed, levied, and collected upon the taxable incomes of all
11fiduciaries, except fiduciaries of nuclear decommissioning trust or reserve funds, and
12single individuals and heads of households shall be computed at the following rates
13for taxable years beginning after December 31, 2023, and before January 1, 2025,
14except as provided under s. 71.06 (4):
AB262,3,1
11. On all taxable income from $0 to $7,500, 3.15 percent.
AB262,3,32 2. On all taxable income exceeding $7,500 but not exceeding $15,000, 4.5
3percent.
AB262,3,54 3. On all taxable income exceeding $15,000 but not exceeding $225,000, 5
5percent.
AB262,3,66 4. On all taxable income exceeding $225,000, 7.40 percent.
AB262,3,117 (b) The tax to be assessed, levied, and collected upon the taxable incomes of all
8fiduciaries, except fiduciaries of nuclear decommissioning trust or reserve funds, and
9single individuals and heads of households shall be computed at the following rates
10for taxable years beginning after December 31, 2024, and before January 1, 2026,
11except as provided under s. 71.06 (4):
AB262,3,1212 1. On all taxable income from $0 to $7,500, 2.20 percent.
AB262,3,1413 2. On all taxable income exceeding $7,500 but not exceeding $15,000, 4.5
14percent.
AB262,3,1615 3. On all taxable income exceeding $15,000 but not exceeding $225,000, 4.75
16percent.
AB262,3,1717 4. On all taxable income exceeding $225,000, 6.70 percent.
AB262,3,2218 (c) The tax to be assessed, levied, and collected upon the taxable incomes of all
19fiduciaries, except fiduciaries of nuclear decommissioning trust or reserve funds, and
20single individuals and heads of households shall be computed at the following rates
21for taxable years beginning after December 31, 2025, and before January 1, 2027,
22except as provided under s. 71.06 (4):
AB262,3,2323 1. On all taxable income from $0 to $7,500, 1.25 percent.
AB262,3,2524 2. On all taxable income exceeding $7,500 but not exceeding $15,000, 4.5
25percent.
AB262,4,2
13. On all taxable income exceeding $15,000 but not exceeding $225,000, 4.5
2percent.
AB262,4,33 4. On all taxable income exceeding $225,000, 6 percent.
AB262,4,84 (d) The tax to be assessed, levied, and collected upon the taxable incomes of all
5fiduciaries, except fiduciaries of nuclear decommissioning trust or reserve funds, and
6single individuals and heads of households shall be computed at the following rates
7for taxable years beginning after December 31, 2026, and before January 1, 2028,
8except as provided under s. 71.06 (4):
AB262,4,99 1. On all taxable income from $0 to $7,500, 0 percent.
AB262,4,1110 2. On all taxable income exceeding $7,500 but not exceeding $15,000, 4.5
11percent.
AB262,4,1312 3. On all taxable income exceeding $15,000 but not exceeding $225,000, 4.5
13percent.
AB262,4,1414 4. On all taxable income exceeding $225,000, 5.20 percent.
AB262,4,1915 (e) The tax to be assessed, levied, and collected upon the taxable incomes of all
16fiduciaries, except fiduciaries of nuclear decommissioning trust or reserve funds, and
17single individuals and heads of households shall be computed at the following rates
18percent for taxable years beginning after December 31, 2027, except as provided
19under s. 71.06 (4):
AB262,4,2020 1. On all taxable income from $0 to $7,500, 0 percent.
AB262,4,2221 2. On all taxable income exceeding $7,500 but not exceeding $15,000, 4.5
22percent.
AB262,4,2423 3. On all taxable income exceeding $15,000 but not exceeding $225,000, 4.5
24percent.
AB262,4,2525 4. On all taxable income exceeding $225,000, 4.5 percent.
AB262,3
1Section 3. 71.06 (2) (i) (intro.) of the statutes is amended to read:
AB262,5,32 71.06 (2) (i) (intro.) For joint returns, for taxable years beginning after
3December 31, 2012, and before January 1, 2024:
AB262,4 4Section 4. 71.06 (2) (j) (intro.) of the statutes is amended to read:
AB262,5,65 71.06 (2) (j) (intro.) For married persons filing separately, for taxable years
6beginning after December 31, 2012, and before January 1, 2024:
AB262,5 7Section 5 . 71.06 (2) (k) of the statutes is created to read:
AB262,5,98 71.06 (2) (k) For joint returns, for taxable years beginning after December 31,
92023, and before January 1, 2025, except as provided under s. 71.06 (4):
AB262,5,1010 1. On all taxable income from $0 to $10,000, 3.15 percent.
AB262,5,1211 2. On all taxable income exceeding $10,000 but not exceeding $20,000, 4.5
12percent.
AB262,5,1413 3. On all taxable income exceeding $20,000 but not exceeding $300,000, 5
14percent.
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