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An Act To Lower Maine's Individual Income Tax
Be it enacted by the People of the State of Maine as follows:
Sec. 1. 5 MRSA §1518-A, sub-§1-A, ¶A, as amended by PL 2015, c. 390, §1, is further amended to read:
 
A. By November 1st annually, the State Tax Assessor shall calculate the amount by which the income tax rates under Title 36, section 5111, subsections 1-F, 2-F and 3-F may be reduced during the subsequent tax year using the amount available from the fund. Bracket rate reductions must be a minimum of 0.2 percentage points in the first year in which reductions are made and a minimum of 0.1 percentage points in subsequent years. If sufficient funds are not available to pay for the minimum reduction, a rate reduction may not be made until the amount in the fund is sufficient to pay for the reduction. When the amount is sufficient to pay for the reduction, the reduction must first be applied equally to each bracket under Title 36, section 5111, subsections 1-F, 2-F and 3-F until the lower bracket reaches 4%. Funds available from the fund in subsequent years must be applied to reduce the higher bracket rates until there is a single bracket with a rate of 4%, after which future tax relief may be identified.
Sec. 2. 36 MRSA §5111, sub-§1-F, as enacted by PL 2015, c. 267, Pt. DD, §3, is amended to read:
 
1-F. Single individuals and married persons filing separate returns; tax years beginning 2017, 2018 or 2019.   For tax years beginning on or after January 1, 2017in 2017, 2018 or 2019, for single individuals and married persons filing separate returns:
Sec. 3.  36 MRSA §5111, sub-§1-G  is enacted to read:
 
1-G.  Single individuals and married persons filing separate returns; tax years beginning 2020 or 2021.     For tax years beginning in 2020 or 2021, for single individuals and married persons filing separate returns:
Sec. 4.  36 MRSA §5111, sub-§1-H  is enacted to read:
 
1-H.  Single individuals and married persons filing separate returns; tax years beginning 2022.     For tax years beginning on or after January 1, 2022, for single individuals and married persons filing separate returns:
Sec. 5. 36 MRSA §5111, sub-§2-F, as enacted by PL 2015, c. 267, Pt. DD, §5, is amended to read:
 
2-F. Heads of households; tax years beginning 2017, 2018 or 2019.   For tax years beginning on or after January 1, 2017in 2017, 2018 or 2019, for unmarried individuals or legally separated individuals who qualify as heads of households:
Sec. 6.  36 MRSA §5111, sub-§2-G  is enacted to read:
 
2-G.  Heads of households; tax years beginning 2020 or 2021.     For tax years beginning in 2020 or 2021, for unmarried individuals or legally separated individuals who qualify as heads of households:
Sec. 7.  36 MRSA §5111, sub-§2-H  is enacted to read:
 
2-H.   Heads of households; tax years beginning 2022.     For tax years beginning on or after January 1, 2022, for unmarried individuals or legally separated individuals who qualify as heads of households:
Sec. 8. 36 MRSA §5111, sub-§3-F, as enacted by PL 2015, c. 267, Pt. DD, §7, is amended to read:
 
3-F. Individuals filing married joint returns or surviving spouses; tax years beginning 2017, 2018 or 2019.   For tax years beginning on or after January 1, 2017in 2017, 2018 or 2019, for individuals filing married joint returns or surviving spouses permitted to file a joint return:
Sec. 9.  36 MRSA §5111, sub-§3-G  is enacted to read:
 
3-G.  Individuals filing married joint returns or surviving spouses; tax years beginning 2020 or 2021.     For tax years beginning in 2020 or 2021, for individuals filing married joint returns or surviving spouses permitted to file a joint return:
Sec. 10.  36 MRSA §5111, sub-§3-H  is enacted to read:
 
3-H.  Individuals filing married joint returns or surviving spouses; tax years beginning 2022.     For tax years beginning on or after January 1, 2022, for individuals filing married joint returns or surviving spouses permitted to file a joint return:
Sec. 11. 36 MRSA §5403, sub-§1, ¶B, as enacted by PL 2015, c. 267, Pt. DD, §33, is amended to read:
 
B. Beginning in 2017 and each year thereafter, by the highest taxable income dollar amount of each tax rate table specified in section 5111, except that for the purposes of this paragraph, notwithstanding section 5402, subsection 1-B, the "cost-of-living adjustment" is the Chained Consumer Price Index for the 12-month period ending June 30th of the preceding calendar year divided by the Chained Consumer Price Index for the 12-month period ending June 30, 2016;
 
SUMMARY
This bill decreases over 3 years the rate of taxation imposed on individual income by:
1. Decreasing the lowest rate from 5.8% to 5.2% for tax years 2020 and 2021 and to 5% beginning in 2022;
2. Decreasing the middle rate from 6.75% to 6.3% for tax years 2020 and 2021 and to 6% beginning in 2022; and
3. Decreasing the highest rate from 7.15% to 7.05% for tax years 2020 and 2021 and to 7% beginning in 2022.
This bill also changes cross-references in the Tax Relief Fund for Maine Residents and inflation adjustment statutes.