SB1,14,96 71.06 (2m) Rate changes. If a rate under sub. (1), (1m), (1n), (1p), (1q), (1r),
7or (2) changes during a taxable year, the taxpayer shall compute the tax for that
8taxable year by the methods applicable to the federal income tax under section 15 of
9the Internal Revenue Code.
SB1,37 10Section 37 . 71.06 (2m) of the statutes, as affected by 2023 Wisconsin Act ....
11(this act), is amended to read:
SB1,14,1512 71.06 (2m) Rate changes. If a rate under sub. (1), (1m), (1n), (1p), (1q), (1r),
13or (2) changes during a taxable year, the taxpayer shall compute the tax for that
14taxable year by the methods applicable to the federal income tax under section 15 of
15the Internal Revenue Code.
SB1,38 16Section 38. 71.06 (2s) (d) of the statutes is amended to read:
SB1,15,417 71.06 (2s) (d) For taxable years beginning after December 31, 2000, and before
18January 1, 2023,
with respect to nonresident individuals, including individuals
19changing their domicile into or from this state, the tax brackets under subs. (1p), (1q),
20and (2) (g), (h), (i), and (j) shall be multiplied by a fraction, the numerator of which
21is Wisconsin adjusted gross income and the denominator of which is federal adjusted
22gross income. In this paragraph, for married persons filing separately “ adjusted
23gross income" means the separate adjusted gross income of each spouse, and for
24married persons filing jointly “adjusted gross income" means the total adjusted gross
25income of both spouses. If an individual and that individual's spouse are not both

1domiciled in this state during the entire taxable year, the tax brackets under subs.
2(1p), (1q), and (2) (g), (h), (i), and (j) on a joint return shall be multiplied by a fraction,
3the numerator of which is their joint Wisconsin adjusted gross income and the
4denominator of which is their joint federal adjusted gross income.
SB1,39 5Section 39 . 71.06 (2s) (d) of the statutes, as affected by 2023 Wisconsin Act ....
6(this act), is amended to read:
SB1,15,207 71.06 (2s) (d) For taxable years beginning after December 31, 2000, and before
8January 1, 2023, with respect to nonresident individuals, including individuals
9changing their domicile into or from this state, the tax brackets under subs. (1p), (1q),
10and (2) (g), and (h), (i), and (j) shall be multiplied by a fraction, the numerator of
11which is Wisconsin adjusted gross income and the denominator of which is federal
12adjusted gross income. In this paragraph, for married persons filing separately
13“adjusted gross income" means the separate adjusted gross income of each spouse,
14and for married persons filing jointly “adjusted gross income" means the total
15adjusted gross income of both spouses. If an individual and that individual's spouse
16are not both domiciled in this state during the entire taxable year, the tax brackets
17under subs. (1p), (1q), and (2) (g), and (h), (i), and (j) on a joint return shall be
18multiplied by a fraction, the numerator of which is their joint Wisconsin adjusted
19gross income and the denominator of which is their joint federal adjusted gross
20income.
SB1,40 21Section 40. 71.06 (2s) (e) of the statutes is created to read:
SB1,16,922 71.06 (2s) (e) For taxable years beginning after December 31, 2022, and before
23January 1, 2024, with respect to nonresident individuals, including individuals
24changing their domicile into or from this state, the tax brackets under subs. (1r) (a)
25and (2) (k) and (km) shall be multiplied by a fraction, the numerator of which is

1Wisconsin adjusted gross income and the denominator of which is federal adjusted
2gross income. In this paragraph, for married persons filing separately “ adjusted
3gross income" means the separate adjusted gross income of each spouse, and for
4married persons filing jointly “adjusted gross income" means the total adjusted gross
5income of both spouses. If an individual and that individual's spouse are not both
6domiciled in this state during the entire taxable year, the tax brackets under subs.
7(1r) (a) and (2) (k) and (km) on a joint return shall be multiplied by a fraction, the
8numerator of which is their joint Wisconsin adjusted gross income and the
9denominator of which is their joint federal adjusted gross income.
SB1,41 10Section 41 . 71.06 (2s) (e) of the statutes, as created by 2023 Wisconsin Act ....
11(this act), is repealed.
SB1,42 12Section 42. 71.06 (2s) (f) of the statutes is created to read:
SB1,16,2513 71.06 (2s) (f) For taxable years beginning after December 31, 2023, and before
14January 1, 2025, with respect to nonresident individuals, including individuals
15changing their domicile into or from this state, the tax brackets under subs. (1r) (b)
16and (2) (L) and (Lm) shall be multiplied by a fraction, the numerator of which is
17Wisconsin adjusted gross income and the denominator of which is federal adjusted
18gross income. In this paragraph, for married persons filing separately “ adjusted
19gross income" means the separate adjusted gross income of each spouse, and for
20married persons filing jointly “adjusted gross income" means the total adjusted gross
21income of both spouses. If an individual and that individual's spouse are not both
22domiciled in this state during the entire taxable year, the tax brackets under subs.
23(1r) (b) and (2) (L) and (Lm) on a joint return shall be multiplied by a fraction, the
24numerator of which is their joint Wisconsin adjusted gross income and the
25denominator of which is their joint federal adjusted gross income.
SB1,43
1Section 43 . 71.06 (2s) (f) of the statutes, as created by 2023 Wisconsin Act ....
2(this act), is repealed.
SB1,44 3Section 44. 71.06 (2s) (g) of the statutes is created to read:
SB1,17,164 71.06 (2s) (g) For taxable years beginning after December 31, 2024, and before
5January 1, 2026, with respect to nonresident individuals, including individuals
6changing their domicile into or from this state, the tax brackets under subs. (1r) (c)
7and (2) (m) and (mm) shall be multiplied by a fraction, the numerator of which is
8Wisconsin adjusted gross income and the denominator of which is federal adjusted
9gross income. In this paragraph, for married persons filing separately “ adjusted
10gross income" means the separate adjusted gross income of each spouse, and for
11married persons filing jointly “adjusted gross income" means the total adjusted gross
12income of both spouses. If an individual and that individual's spouse are not both
13domiciled in this state during the entire taxable year, the tax brackets under subs.
14(1r) (c) and (2) (m) and (mm) on a joint return shall be multiplied by a fraction, the
15numerator of which is their joint Wisconsin adjusted gross income and the
16denominator of which is their joint federal adjusted gross income.
SB1,45 17Section 45 . 71.06 (2s) (g) of the statutes, as created by 2023 Wisconsin Act ....
18(this act), is repealed.
SB1,46 19Section 46. 71.125 (1) of the statutes is amended to read:
SB1,17,2320 71.125 (1) Except as provided in sub. (2), the tax imposed by this chapter on
21individuals and the rates under s. 71.06 (1), (1m), (1n), (1p), (1q), (1r), and (2) shall
22apply to the Wisconsin taxable income of estates or trusts, except nuclear
23decommissioning trust or reserve funds, and that tax shall be paid by the fiduciary.
SB1,47 24Section 47 . 71.125 (1) of the statutes, as affected by 2023 Wisconsin Act ....
25(this act), is amended to read:
SB1,18,4
171.125 (1) Except as provided in sub. (2), the tax imposed by this chapter on
2individuals and the rates under s. 71.06 (1), (1m), (1n), (1p), (1q), (1r), and (2) shall
3apply to the Wisconsin taxable income of estates or trusts, except nuclear
4decommissioning trust or reserve funds, and that tax shall be paid by the fiduciary.
SB1,48 5Section 48. 71.125 (2) of the statutes is amended to read:
SB1,18,106 71.125 (2) Each electing small business trust, as defined in section 1361 (e) (1)
7of the Internal Revenue Code, is subject to tax at the highest rate under s. 71.06 (1),
8(1m), (1n), (1p), or (1q), or (1r), whichever taxable year is applicable, on its income
9as computed under section 641 of the Internal Revenue Code, as modified by s. 71.05
10(6) to (12), (19) and (20).
SB1,49 11Section 49 . 71.125 (2) of the statutes, as affected by 2023 Wisconsin Act ....
12(this act), is amended to read:
SB1,18,1713 71.125 (2) Each electing small business trust, as defined in section 1361 (e) (1)
14of the Internal Revenue Code, is subject to tax at the highest rate under s. 71.06 (1),
15(1m), (1n), (1p), (1q), or (1r), whichever taxable year is applicable, on its income as
16computed under section 641 of the Internal Revenue Code, as modified by s. 71.05
17(6) to (12), (19) and (20).
SB1,50 18Section 50. 71.17 (6) of the statutes is amended to read:
SB1,18,2219 71.17 (6) Funeral trusts. If a qualified funeral trust makes the election under
20section 685 of the Internal Revenue Code for federal income tax purposes, that
21election applies for purposes of this chapter and each trust shall compute its own tax
22and shall apply the rates under s. 71.06 (1), (1m), (1n), (1p), or (1q), or (1r).
SB1,51 23Section 51 . 71.17 (6) of the statutes, as affected by 2023 Wisconsin Act .... (this
24act), is amended to read:
SB1,19,4
171.17 (6) Funeral trusts. If a qualified funeral trust makes the election under
2section 685 of the Internal Revenue Code for federal income tax purposes, that
3election applies for purposes of this chapter and each trust shall compute its own tax
4and shall apply the rates under s. 71.06 (1), (1m), (1n), (1p), (1q), or (1r).
SB1,52 5Section 52. 71.64 (9) (b) (intro.) of the statutes is amended to read:
SB1,19,96 71.64 (9) (b) (intro.) The department shall from time to time adjust the
7withholding tables to reflect any changes in income tax rates, any applicable surtax
8or any changes in dollar amounts in s. 71.06 (1), (1m), (1n), (1p), (1q), (1r), and (2)
9resulting from statutory changes, except as follows:
SB1,53 10Section 53 . 71.64 (9) (b) (intro.) of the statutes, as affected by 2023 Wisconsin
11Act .... (this act), is amended to read:
SB1,19,1512 71.64 (9) (b) (intro.) The department shall from time to time adjust the
13withholding tables to reflect any changes in income tax rates, any applicable surtax
14or any changes in dollar amounts in s. 71.06 (1), (1m), (1n), (1p), (1q), (1r), and (2)
15resulting from statutory changes, except as follows:
SB1,54 16Section 54. 71.67 (5) (a) of the statutes is amended to read:
SB1,19,2217 71.67 (5) (a) Wager winnings. A person holding a license to sponsor and
18manage races under s. 562.05 (1) (b) or (c) shall withhold from the amount of any
19payment of pari-mutuel winnings under s. 562.065 (3) (a) or (3m) (a) an amount
20determined by multiplying the amount of the payment by the highest rate applicable
21to individuals under s. 71.06 (1) (a) to (c), (1m), (1n), (1p), or (1q), or (1r) if the amount
22of the payment is more than $1,000.
SB1,55 23Section 55 . 71.67 (5) (a) of the statutes, as affected by 2023 Wisconsin Act ....
24(this act), is amended to read:
SB1,20,6
171.67 (5) (a) Wager winnings. A person holding a license to sponsor and
2manage races under s. 562.05 (1) (b) or (c) shall withhold from the amount of any
3payment of pari-mutuel winnings under s. 562.065 (3) (a) or (3m) (a) an amount
4determined by multiplying the amount of the payment by the highest rate applicable
5to individuals under s. 71.06 (1) (a) to (c), (1m), (1n), (1p), (1q), or (1r) if the amount
6of the payment is more than $1,000.
SB1,56 7Section 56. 71.67 (5m) of the statutes is amended to read:
SB1,20,148 71.67 (5m) Withholding from payments to purchase assignment of lottery
9prize.
A person that purchases an assignment of a lottery prize shall withhold from
10the amount of any payment made to purchase the assignment the amount that is
11determined by multiplying the amount of the payment by the highest rate applicable
12to individuals under s. 71.06 (1) (a) to (c), (1m), (1n), (1p), or (1q), or (1r). Subsection
13(5) (b), (c) and (d), as it applies to the amounts withheld under sub. (5) (a), applies
14to the amount withheld under this subsection.
SB1,57 15Section 57 . 71.67 (5m) of the statutes, as affected by 2023 Wisconsin Act ....
16(this act), is amended to read:
SB1,20,2317 71.67 (5m) Withholding from payments to purchase assignment of lottery
18prize.
A person that purchases an assignment of a lottery prize shall withhold from
19the amount of any payment made to purchase the assignment the amount that is
20determined by multiplying the amount of the payment by the highest rate applicable
21to individuals under s. 71.06 (1) (a) to (c), (1m), (1n), (1p), (1q), or (1r). Subsection
22(5) (b), (c) and (d), as it applies to the amounts withheld under sub. (5) (a), applies
23to the amount withheld under this subsection.
SB1,58 24Section 58 . 73.03 (71) of the statutes is repealed.
SB1,59 25Section 59. 73.03 (71) (c) 2. of the statutes is amended to read:
SB1,21,8
173.03 (71) (c) 2. No later than October 20, 2020, the secretary of revenue shall
2certify and report the determinations made under pars. (a) 2. and (b) 2. to the
3secretary of the department of administration, the governor, the joint committee on
4finance, and the legislative audit bureau and specify with that certification and
5report that the new tax rates take effect for the taxable year beginning after
6December 31, 2019, and before January 1, 2021, and for each taxable year thereafter
7beginning after December 31, 2020, and before January 1, 2023, subject to par. (d)
82.
SB1,60 9Section 60. 73.03 (71) (d) 2. of the statutes is amended to read:
SB1,21,1910 73.03 (71) (d) 2. The legislative audit bureau shall review the determinations
11reported under par. (c) 2. and report its findings to the joint legislative audit
12committee and the joint committee on finance no later than November 1, 2020. If the
13legislative audit bureau's review of the determinations reported under par. (c) 2.
14results in a different calculation of the tax rates than that made under par. (b) 2., the
15joint committee on finance shall determine which tax rates to apply to the taxable
16year beginning after December 31, 2019, and before January 1, 2021, and to each
17taxable year thereafter beginning after December 31, 2020, and before January 1,
182023
, and report its determination to the governor, the secretary of administration,
19and the secretary of revenue no later than November 10, 2020.
SB1,61 20Section 61. Nonstatutory provisions.
SB1,21,2521 (1) Withholding table adjustments for 2024. No later than October 1, 2023,
22the department of revenue shall update the individual income tax withholding tables
23under s. 71.64 (9) to reflect the tax rates, brackets, and sliding scale standard
24deduction that are in effect for taxable year 2024. The adjustments made under this
25subsection to the withholding tables shall take effect on January 1, 2024.
SB1,22,5
1(2) Withholding table adjustments for 2025. No later than October 1, 2024,
2the department of revenue shall update the individual income tax withholding tables
3under s. 71.64 (9) to reflect the tax rates, brackets, and sliding scale standard
4deduction that are in effect for taxable year 2025. The adjustments made under this
5subsection to the withholding tables shall take effect on January 1, 2025.
SB1,22,106 (3) Withholding table adjustments for 2026. No later than October 1, 2025,
7the department of revenue shall update the individual income tax withholding tables
8under s. 71.64 (9) to reflect the tax rate and sliding scale standard deduction that is
9in effect for taxable year 2026. The adjustments made under this subsection to the
10withholding tables shall take effect on January 1, 2026.
SB1,62 11Section 62. Effective dates. This act takes effect on the day after publication,
12except as follows:
SB1,22,1813 (1) The treatment of ss. 71.06 (1q) (by Section 2 ), (2) (i) (by Section 10 ) and (j)
14(by Section 12 ), (2e) (a) (by Section 27 ) and (b) (by Section 29 ), (2m) (by Section 37 ),
15and (2s) (d) (by Section 39 ), 71.125 (1) (by Section 47 ) and (2) (by Section 49 ), 71.17
16(6) (by Section 51 ), 71.64 (9) (b) (intro.) (by Section 53), 71.67 (5) (a) (by Section 55 )
17and (5m) (by Section 57 ), and 73.03 (71) (by Section 58 ) takes effect on January 1,
182029.
SB1,22,2119 (2) The treatment of s. 71.06 (1r) (a) (by Section 5 ), (2) (k) (by Section 14 ) and
20(km) (by Section 16 ), (2e) (be) (by Section 31 ), and (2s) (e) (by Section 41 ) takes effect
21on January 1, 2030.
SB1,22,2422 (3) The treatment of s. 71.06 (1r) (b) (by Section 6 ), (2) (L) (by Section 18 ) and
23(Lm) (by Section 20 ), (2e) (bm) (by Section 33 ), and (2s) (f) (by Section 43 ) takes
24effect on January 1, 2031.
SB1,23,3
1(4) The treatment of s. 71.06 (1r) (title) (by Section 3), (c) (by Section 7), and
2(d) (by Section 8 ), (2) (m) (by Section 22 ) and (mm) (by Section 24 ), (2e) (bs) (by
3Section 35), and (2s) (g) (by Section 45 ) takes effect on January 1, 2032.
SB1,23,44 (End)
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