LRB-2019/1
MES:wlj:jf
2007 - 2008 LEGISLATURE
March 19, 2007 - Introduced by Representatives Vos, Zipperer, Roth, Gundrum,
Kleefisch, Gunderson, Pridemore, Vukmir, Kerkman, Lothian, Hines, Nass,
Owens, Van Roy, LeMahieu, Townsend, F. Lasee, Albers
and Petrowski,
cosponsored by Senators Kanavas, Leibham, S. Fitzgerald, Grothman, Kedzie,
Roessler
and Lazich. Referred to Committee on Ways and Means.
AB190,1,5 1An Act to renumber and amend 71.06 (2e); to amend 71.06 (1p) (intro.), 71.06
2(2) (g) (intro.), 71.06 (2) (h) (intro.), 71.06 (2m), 71.06 (2s) (d), 71.125, 71.17 (6),
371.64 (9) (b) (intro.), 71.67 (5) (a) and 71.67 (5m); and to create 71.05 (2) (j),
471.06 (1q), 71.06 (2) (i), 71.06 (2e) (b), 71.06 (2e) (c) and 71.06 (2s) (e) of the
5statutes; relating to: changing the individual income tax rates of taxation.
Analysis by the Legislative Reference Bureau
Under current law, there are four income tax brackets for single individuals,
certain fiduciaries, heads of households, and married persons. 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 4.6 percent of taxable income; the rate for the second bracket is 6.15 percent; the
rate for the third bracket is 6.5 percent; and the rate for the highest bracket is 6.75
percent.
For taxable years beginning after December 31, 2006, this bill reduces all of the
income tax rates that apply to single individuals, certain fiduciaries, heads of
households, and married persons. Under the bill, for taxable years beginning after
December 31, 2006, the rate of taxation for the lowest bracket for single individuals,
certain fiduciaries, heads of households, and married persons is 4.554 percent of
taxable income; the rate for the second bracket is 6.089 percent; the rate for the third
bracket is 6.435 percent; and the rate for the highest bracket is 6.683 percent.

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:
AB190, s. 1 1Section 1. 71.05 (2) (j) of the statutes is created to read:
AB190,2,32 71.05 (2) (j) For married persons filing separately, for taxable years beginning
3after December 31, 2006:
AB190,2,44 1. On all taxable income from $0 to $5,000, 4.554 percent.
AB190,2,65 2. On all taxable income exceeding $5,000 but not exceeding $10,000, 6.089
6percent.
AB190,2,87 3. On all taxable income exceeding $10,000 but not exceeding $75,000, 6.435
8percent.
AB190,2,99 4. On all taxable income exceeding $75,000, 6.683 percent.
AB190, s. 2 10Section 2. 71.06 (1p) (intro.) of the statutes is amended to read:
AB190,2,1611 71.06 (1p) Fiduciaries, single individuals , and heads of households; after
122000 2001 to 2006. (intro.) The tax to be assessed, levied, and collected upon the taxable
13incomes of all fiduciaries, except fiduciaries of nuclear decommissioning trust or
14reserve funds, and single individuals and heads of households shall be computed at
15the following rates for taxable years beginning after December 31, 2000, and before
16January 1, 2007
:
AB190, s. 3 17Section 3. 71.06 (1q) of the statutes is created to read:
AB190,3,218 71.06 (1q) Fiduciaries, single individuals, and heads of households; after
192006.
The tax to be assessed, levied, and collected upon the taxable incomes of all
20fiduciaries, except fiduciaries of nuclear decommissioning trust or reserve funds, and

1single individuals and heads of households shall be computed at the following rates
2for taxable years beginning after December 31, 2006:
AB190,3,33 (a) On all taxable income from $0 to $7,500, 4.554 percent.
AB190,3,54 (b) On all taxable income exceeding $7,500 but not exceeding $15,000, 6.089
5percent.
AB190,3,76 (c) On all taxable income exceeding $15,000 but not exceeding $112,500, 6.435
7percent.
AB190,3,88 (d) On all taxable income exceeding $112,500, 6.683 percent.
AB190, s. 4 9Section 4. 71.06 (2) (g) (intro.) of the statutes is amended to read:
AB190,3,1110 71.06 (2) (g) (intro.) For joint returns, for taxable years beginning after
11December 31, 2000, and before January 1, 2007:
AB190, s. 5 12Section 5. 71.06 (2) (h) (intro.) of the statutes is amended to read:
AB190,3,1413 71.06 (2) (h) (intro.) For married persons filing separately, for taxable years
14beginning after December 31, 2000, and before January 1, 2007:
AB190, s. 6 15Section 6. 71.06 (2) (i) of the statutes is created to read:
AB190,3,1716 71.06 (2) (i) For joint returns, for taxable years beginning after December 31,
172006, and before January 1, 2008:
AB190,3,1818 1. On all taxable income from $0 to $10,000, 4.554 percent.
AB190,3,2019 2. On all taxable income exceeding $10,000 but not exceeding $20,000, 6.089
20percent.
AB190,3,2221 3. On all taxable income exceeding $20,000 but not exceeding $150,000, 6.435
22percent.
AB190,3,2323 4. On all taxable income exceeding $150,000, 6.683 percent.
AB190, s. 7 24Section 7. 71.06 (2e) of the statutes is renumbered 71.06 (2e) (a) and amended
25to read:
AB190,4,23
171.06 (2e) (a) Bracket indexing. For taxable years beginning after
2December 31, 1998, and before January 1, 2000, the maximum dollar amount in
3each tax bracket, and the corresponding minimum dollar amount in the next bracket,
4under subs. (1m) and (2) (c) and (d), and for taxable years beginning after
5December 31, 1999, and before January 1, 2007, the maximum dollar amount in
6each tax bracket, and the corresponding minimum dollar amount in the next bracket,
7under subs. (1n), (1p), and (2) (e), (f), (g), and (h), shall be increased each year by a
8percentage equal to the percentage change between the U.S. consumer price index
9for all urban consumers, U.S. city average, for the month of August of the previous
10year and the U.S. consumer price index for all urban consumers, U.S. city average,
11for the month of August 1997, as determined by the federal department of labor,
12except that for taxable years beginning after December 31, 2000, and before January
131, 2002, the dollar amount in the top bracket under subs. (1p) (c) and (d), (2) (g) 3.
14and 4. and (h) 3. and 4. shall be increased by a percentage equal to the percentage
15change between the U.S. consumer price index for all urban consumers, U.S. city
16average, for the month of August of the previous year and the U.S. consumer price
17index for all urban consumers, U.S. city average, for the month of August 1999, as
18determined by the federal department of labor. Each amount that is revised under
19this subsection shall be rounded to the nearest multiple of $10 if the revised amount
20is not a multiple of $10 or, if the revised amount is a multiple of $5, such an amount
21shall be increased to the next higher multiple of $10. The department of revenue
22shall annually adjust the changes in dollar amounts required under this subsection
23and incorporate the changes into the income tax forms and instructions.
AB190, s. 8 24Section 8. 71.06 (2e) (b) of the statutes is created to read:
AB190,5,8
171.06 (2e) (b) For taxable years beginning after December 31, 2006, the
2maximum dollar amount in each tax bracket, and the corresponding minimum dollar
3amount in the next bracket, under subs. (1q) and (2) (i) and (j), shall be increased each
4year by a percentage equal to the percentage change between the U.S. consumer
5price index for all urban consumers, U.S. city average, for the month of August of the
6previous year and the U.S. consumer price index for all urban consumers, U.S. city
7average, for the month of August 1997, as determined by the federal department of
8labor.
AB190, s. 9 9Section 9. 71.06 (2e) (c) of the statutes is created to read:
AB190,5,1510 71.06 (2e) (c) Each amount that is revised under this subsection shall be
11rounded to the nearest multiple of $10 if the revised amount is not a multiple of $10
12or, if the revised amount is a multiple of $5, such an amount shall be increased to the
13next higher multiple of $10. The department of revenue shall annually adjust the
14changes in dollar amounts required under this subsection and incorporate the
15changes into the income tax forms and instructions.
AB190, s. 10 16Section 10. 71.06 (2m) of the statutes is amended to read:
AB190,5,2017 71.06 (2m) Rate changes. If a rate under sub. (1), (1m), (1n), (1p) or, (1q), (1r),
18or (2) changes during a taxable year, the taxpayer shall compute the tax for that
19taxable year by the methods applicable to the federal income tax under section 15 of
20the internal revenue code.
AB190, s. 11 21Section 11. 71.06 (2s) (d) of the statutes is amended to read:
AB190,6,922 71.06 (2s) (d) For taxable years beginning after December 31, 2000, and before
23January 1, 2007,
with respect to nonresident individuals, including individuals
24changing their domicile into or from this state, the tax brackets under subs. (1p) and
25(2) (g) and (h) shall be multiplied by a fraction, the numerator of which is Wisconsin

1adjusted gross income and the denominator of which is federal adjusted gross
2income. In this paragraph, for married persons filing separately "adjusted gross
3income" means the separate adjusted gross income of each spouse, and for married
4persons filing jointly "adjusted gross income" means the total adjusted gross income
5of both spouses. If an individual and that individual's spouse are not both domiciled
6in this state during the entire taxable year, the tax brackets under subs. (1p) and (2)
7(g) and (h) on a joint return shall be multiplied by a fraction, the numerator of which
8is their joint Wisconsin adjusted gross income and the denominator of which is their
9joint federal adjusted gross income.
AB190, s. 12 10Section 12. 71.06 (2s) (e) of the statutes is created to read:
AB190,6,2311 71.06 (2s) (e) For taxable years beginning after December 31, 2006, with
12respect to nonresident individuals, including individuals changing their domicile
13into or from this state, the tax brackets under subs. (1q) and (2) (i) and (j) shall be
14multiplied by a fraction, the numerator of which is Wisconsin adjusted gross income
15and the denominator of which is federal adjusted gross income. In this paragraph,
16for married persons filing separately "adjusted gross income" means the separate
17adjusted gross income of each spouse, and for married persons filing jointly "adjusted
18gross income" means the total adjusted gross income of both spouses. If an individual
19and that individual's spouse are not both domiciled in this state during the entire
20taxable year, the tax brackets under subs. (1q) and (2) (i) and (j) on a joint return shall
21be multiplied by a fraction, the numerator of which is their joint Wisconsin adjusted
22gross income and the denominator of which is their joint federal adjusted gross
23income.
AB190, s. 13 24Section 13. 71.125 of the statutes is amended to read:
AB190,7,5
171.125 Imposition of tax. (1) Except as provided in sub. (2), the tax imposed
2by this chapter on individuals and the rates under s. 71.06 (1), (1m), (1n), (1p) and,
3(1q), and (2) shall apply to the Wisconsin taxable income of estates or trusts, except
4nuclear decommissioning trust or reserve funds, and that tax shall be paid by the
5fiduciary.
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