SB1,,88 71.06 (2e) (b) For taxable years beginning after December 31, 2009, and before January 1, 2023, the maximum dollar amount in each tax bracket, and the corresponding minimum dollar amount in the next bracket, under subs. (1p) (d), (1q) (c), and (2) (g) 4., and (h) 4., (i) 3., and (j) 3., and the dollar amount in the top bracket under subs. (1p) (e), (1q) (d), and (2) (g) 5., and (h) 5., (i) 4., and (j) 4., shall be increased each year by a percentage equal to the percentage change between the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August of the previous year and the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August 2008, as determined by the federal department of labor, except that for taxable years beginning after December 31, 2011, the adjustment may occur only if the resulting amount is greater than the corresponding amount that was calculated for the previous year.

SB1,30 Section 30. 71.06 (2e) (be) of the statutes is created to read:

SB1,,90 71.06 (2e) (be) 1. For taxable years beginning after December 31, 2022, and before January 1, 2024, the maximum dollar amount in each tax bracket, and the corresponding minimum dollar amount in the next bracket, under subs. (1r) (a) 1. and 2. and (2) (k) 1. and 2. and (km) 1. and 2., shall be increased by a percentage equal to the percentage change between the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August of the previous year and the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August 1997, as determined by the federal department of labor, except that the adjustment may occur only if the resulting amount is greater than the corresponding amount that was calculated for the previous year.

SB1,,91 2. For taxable years beginning after December 31, 2022, and before January 1, 2024, the maximum dollar amount in each tax bracket, and the corresponding minimum dollar amount in the next bracket, under subs. (1r) (a) 3. and (2) (k) 3. and (km) 3., and the dollar amount in the top bracket under subs. (1r) (a) 4. and (2) (k) 4. and (km) 4., shall be increased by a percentage equal to the percentage change between the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August of the previous year and the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August 2008, as determined by the federal department of labor, except that the adjustment may occur only if the resulting amount is greater than the corresponding amount that was calculated for the previous year.

SB1,31 Section 31. 71.06 (2e) (be) of the statutes, as created by 2023 Wisconsin Act .... (this act), is repealed.

SB1,32 Section 32. 71.06 (2e) (bm) of the statutes is created to read:

SB1,,94 71.06 (2e) (bm) 1. For taxable years beginning after December 31, 2023, and before January 1, 2025, the maximum dollar amount in each tax bracket, and the corresponding minimum dollar amount in the next bracket, under subs. (1r) (b) 1. and 2. and (2) (L) 1. and 2. and (Lm) 1. and 2., shall be increased by a percentage equal to the percentage change between the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August of the previous year and the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August 1997, as determined by the federal department of labor, except that the adjustment may occur only if the resulting amount is greater than the corresponding amount that was calculated for the previous year.

SB1,,95 2. For taxable years beginning after December 31, 2023, and before January 1, 2025, the maximum dollar amount in each tax bracket, and the corresponding minimum dollar amount in the next bracket, under subs. (1r) (b) 3. and (2) (L) 3. and (Lm) 3., and the dollar amount in the top bracket under subs. (1r) (b) 4. and (2) (L) 4. and (Lm) 4., shall be increased by a percentage equal to the percentage change between the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August of the previous year and the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August 2008, as determined by the federal department of labor, except that the adjustment may occur only if the resulting amount is greater than the corresponding amount that was calculated for the previous year.

SB1,33 Section 33. 71.06 (2e) (bm) of the statutes, as created by 2023 Wisconsin Act .... (this act), is repealed.

SB1,34 Section 34. 71.06 (2e) (bs) of the statutes is created to read:

SB1,,98 71.06 (2e) (bs) 1. For taxable years beginning after December 31, 2024, and before January 1, 2026, the maximum dollar amount in each tax bracket, and the corresponding minimum dollar amount in the next bracket, under subs. (1r) (c) 1. and 2. and (2) (m) 1. and 2. and (mm) 1. and 2., shall be increased by a percentage equal to the percentage change between the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August of the previous year and the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August 1997, as determined by the federal department of labor, except that the adjustment may occur only if the resulting amount is greater than the corresponding amount that was calculated for the previous year.

SB1,,99 2. For taxable years beginning after December 31, 2024, and before January 1, 2026, the maximum dollar amount in each tax bracket, and the corresponding minimum dollar amount in the next bracket, under subs. (1r) (c) 3. and (2) (m) 3. and (mm) 3., and the dollar amount in the top bracket under subs. (1r) (c) 4. and (2) (m) 4. and (mm) 4., shall be increased by a percentage equal to the percentage change between the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August of the previous year and the U.S. consumer price index for all urban consumers, U.S. city average, for the month of August 2008, as determined by the federal department of labor, except that the adjustment may occur only if the resulting amount is greater than the corresponding amount that was calculated for the previous year.

SB1,35 Section 35. 71.06 (2e) (bs) of the statutes, as created by 2023 Wisconsin Act .... (this act), is repealed.

SB1,36 Section 36. 71.06 (2m) of the statutes is amended to read:

SB1,,102 71.06 (2m) Rate changes. If a rate under sub. (1), (1m), (1n), (1p), (1q), (1r), or (2) changes during a taxable year, the taxpayer shall compute the tax for that taxable year by the methods applicable to the federal income tax under section 15 of the Internal Revenue Code.

SB1,37 Section 37. 71.06 (2m) of the statutes, as affected by 2023 Wisconsin Act .... (this act), is amended to read:

SB1,,104 71.06 (2m) Rate changes. If a rate under sub. (1), (1m), (1n), (1p), (1q), (1r), or (2) changes during a taxable year, the taxpayer shall compute the tax for that taxable year by the methods applicable to the federal income tax under section 15 of the Internal Revenue Code.

SB1,38 Section 38. 71.06 (2s) (d) of the statutes is amended to read:

SB1,,106 71.06 (2s) (d) For taxable years beginning after December 31, 2000, and before January 1, 2023, with respect to nonresident individuals, including individuals changing their domicile into or from this state, the tax brackets under subs. (1p), (1q), and (2) (g), (h), (i), and (j) shall be multiplied by a fraction, the numerator of which is Wisconsin adjusted gross income and the denominator of which is federal adjusted gross income. In this paragraph, for married persons filing separately “adjusted gross income” means the separate adjusted gross income of each spouse, and for married persons filing jointly “adjusted gross income” means the total adjusted gross income of both spouses. If an individual and that individual’s spouse are not both domiciled in this state during the entire taxable year, the tax brackets under subs. (1p), (1q), and (2) (g), (h), (i), and (j) on a joint return shall be multiplied by a fraction, the numerator of which is their joint Wisconsin adjusted gross income and the denominator of which is their joint federal adjusted gross income.

SB1,39 Section 39. 71.06 (2s) (d) of the statutes, as affected by 2023 Wisconsin Act .... (this act), is amended to read:

SB1,,108 71.06 (2s) (d) For taxable years beginning after December 31, 2000, and before January 1, 2023, with respect to nonresident individuals, including individuals changing their domicile into or from this state, the tax brackets under subs. (1p), (1q), and (2) (g), and (h), (i), and (j) shall be multiplied by a fraction, the numerator of which is Wisconsin adjusted gross income and the denominator of which is federal adjusted gross income. In this paragraph, for married persons filing separately “adjusted gross income” means the separate adjusted gross income of each spouse, and for married persons filing jointly “adjusted gross income” means the total adjusted gross income of both spouses. If an individual and that individual’s spouse are not both domiciled in this state during the entire taxable year, the tax brackets under subs. (1p), (1q), and (2) (g), and (h), (i), and (j) on a joint return shall be multiplied by a fraction, the numerator of which is their joint Wisconsin adjusted gross income and the denominator of which is their joint federal adjusted gross income.

SB1,40 Section 40. 71.06 (2s) (e) of the statutes is created to read:

SB1,,110 71.06 (2s) (e) For taxable years beginning after December 31, 2022, and before January 1, 2024, with respect to nonresident individuals, including individuals changing their domicile into or from this state, the tax brackets under subs. (1r) (a) and (2) (k) and (km) shall be multiplied by a fraction, the numerator of which is Wisconsin adjusted gross income and the denominator of which is federal adjusted gross income. In this paragraph, for married persons filing separately “adjusted gross income” means the separate adjusted gross income of each spouse, and for married persons filing jointly “adjusted gross income” means the total adjusted gross income of both spouses. If an individual and that individual’s spouse are not both domiciled in this state during the entire taxable year, the tax brackets under subs. (1r) (a) and (2) (k) and (km) on a joint return shall be multiplied by a fraction, the numerator of which is their joint Wisconsin adjusted gross income and the denominator of which is their joint federal adjusted gross income.

SB1,41 Section 41. 71.06 (2s) (e) of the statutes, as created by 2023 Wisconsin Act .... (this act), is repealed.

SB1,42 Section 42. 71.06 (2s) (f) of the statutes is created to read:

SB1,,113 71.06 (2s) (f) For taxable years beginning after December 31, 2023, and before January 1, 2025, with respect to nonresident individuals, including individuals changing their domicile into or from this state, the tax brackets under subs. (1r) (b) and (2) (L) and (Lm) shall be multiplied by a fraction, the numerator of which is Wisconsin adjusted gross income and the denominator of which is federal adjusted gross income. In this paragraph, for married persons filing separately “adjusted gross income” means the separate adjusted gross income of each spouse, and for married persons filing jointly “adjusted gross income” means the total adjusted gross income of both spouses. If an individual and that individual’s spouse are not both domiciled in this state during the entire taxable year, the tax brackets under subs. (1r) (b) and (2) (L) and (Lm) on a joint return shall be multiplied by a fraction, the numerator of which is their joint Wisconsin adjusted gross income and the denominator of which is their joint federal adjusted gross income.

SB1,43 Section 43. 71.06 (2s) (f) of the statutes, as created by 2023 Wisconsin Act .... (this act), is repealed.

SB1,44 Section 44. 71.06 (2s) (g) of the statutes is created to read:

SB1,,116 71.06 (2s) (g) For taxable years beginning after December 31, 2024, and before January 1, 2026, with respect to nonresident individuals, including individuals changing their domicile into or from this state, the tax brackets under subs. (1r) (c) and (2) (m) and (mm) shall be multiplied by a fraction, the numerator of which is Wisconsin adjusted gross income and the denominator of which is federal adjusted gross income. In this paragraph, for married persons filing separately “adjusted gross income” means the separate adjusted gross income of each spouse, and for married persons filing jointly “adjusted gross income” means the total adjusted gross income of both spouses. If an individual and that individual’s spouse are not both domiciled in this state during the entire taxable year, the tax brackets under subs. (1r) (c) and (2) (m) and (mm) on a joint return shall be multiplied by a fraction, the numerator of which is their joint Wisconsin adjusted gross income and the denominator of which is their joint federal adjusted gross income.