Missouri HB 136: Authorizes income tax addition and subtraction modifications for research and experimentation costs

Status: Reported Do Pass (H) - AYES: 8 NOES: 0 PRESENT: 0 (as of 2025-04-24)

State: Missouri · Session: 2025 · Bill: HB 136

Subjects: BUSINESS AND COMMERCE, REVENUE, DEPARTMENT OF, TAX INCENTIVES, TAXATION AND REVENUE - GENERAL, TAXATION AND REVENUE - INCOME

Sponsors: Doyle Justus

Bill Text

FIRST REGULAR SESSION
HOUSE BILL NO. 136
103RD GENERAL ASSEMBLY
INTRODUCED BY REPRESENTATIVE JUSTUS.
0287H.01I DANA RADEMAN MILLER, Chief Clerk
AN ACT
To repeal section 143.121, RSMo, and to enact in lieu thereof one new section relating to
research and experimentation costs.
Be it enacted by the General Assembly of the state of Missouri, as follows:
Section A. Section 143.121, RSMo, is repealed and one new section enacted in lieu
2 thereof, to be known as section 143.121, to read as follows:
143.121. 1. The Missouri adjusted gross income of a resident individual shall be the
2 taxpayer's federal adjusted gross income subject to the modifications in this section.
3 2. There shall be added to the taxpayer's federal adjusted gross income:
4 (1) The amount of any federal income tax refund received for a prior year which
5 resulted in a Missouri income tax benefit. The amount added pursuant to this subdivision
6 shall not include any amount of a federal income tax refund attributable to a tax credit
7 reducingataxpayer'sfederaltaxliabilitypursuanttoPublicLaw116-136or116-260,enacted
8 by the 116th United States Congress, for the tax year beginning on or after January 1, 2020,
9 and ending on or before December 31, 2020, and deducted from Missouri adjusted gross
10 income pursuant to section 143.171. The amount added under this subdivision shall also not
11 include any amount of a federal income tax refund attributable to a tax credit reducing a
12 taxpayer's federal tax liability under any other federal law that provides direct economic
13 impact payments to taxpayers to mitigate financial challenges related to the COVID-19
14 pandemic, and deducted from Missouri adjusted gross income under section 143.171;
15 (2) Interest on certain governmental obligations excluded from federal gross income
16 by 26 U.S.C. Section 103 of the Internal Revenue Code, as amended. The previous sentence
17 shall not apply to interest on obligations of the state of Missouri or any of its political
EXPLANATION — Matter enclosed in bold-faced brackets [thus] in the above bill is not enacted and is
intended to be omitted from the law. Matter in bold-face type in the above bill is proposed language.

18 subdivisions or authorities and shall not apply to the interest described in subdivision (1) of
19 subsection 3 of this section. The amount added pursuant to this subdivision shall be reduced
20 by the amounts applicable to such interest that would have been deductible in computing the
21 taxableincomeofthetaxpayerexceptonlyfortheapplicationof26U.S.C.Section265ofthe
22 Internal Revenue Code, as amended. The reduction shall only be made if it is at least five
23 hundred dollars;
24 (3) The amount of any deduction that is included in the computation of federal
25 taxable income pursuant to 26 U.S.C. Section 168 of the Internal Revenue Code as amended
26 by the Job Creation and Worker Assistance Act of 2002 to the extent the amount deducted
27 relates to property purchased on or after July 1, 2002, but before July 1, 2003, and to the
28 extent the amount deducted exceeds the amount that would have been deductible pursuant to
29 26 U.S.C. Section 168 of the Internal Revenue Code of 1986 as in effect on January 1, 2002;
30 (4) The amount of any deduction that is included in the computation of federal
31 taxable income for net operating loss allowed by 26 U.S.C. Section 172 of the Internal
32 Revenue Code of 1986, as amended, other than the deduction allowed by 26 U.S.C. Section
33 172(b)(1)(G) and 26 U.S.C. Section 172(i) of the Internal Revenue Code of 1986, as
34 amended, for a net operating loss the taxpayer claims in the tax year in which the net
35 operating loss occurred or carries forward for a period of more than twenty years and carries
36 backward for more than two years. Any amount of net operating loss taken against federal
37 taxable income but disallowed for Missouri income tax purposes pursuant to this subdivision
38 after June 18, 2002, may be carried forward and taken against any income on the Missouri
39 income tax return for a period of not more than twenty years from the year of the initial loss;
40 [and]
41 (5) For nonresident individuals in all taxable years ending on or after December 31,
42 2006, the amount of any property taxes paid to another state or a political subdivision of
43 another state for which a deduction was allowed on such nonresident's federal return in the
44 taxable year unless such state, political subdivision of a state, or the District of Columbia
45 allows a subtraction from income for property taxes paid to this state for purposes of
46 calculating income for the income tax for such state, political subdivision of a state, or the
47 District of Columbia;
48 (6) For all tax years beginning on or after January 1, 2018, any interest expense paid
49 or accrued in a previous taxable year, but allowed as a deduction under 26 U.S.C. Section
50 163, as amended, in the current taxable year by reason of the

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