Missouri Revisor of Statutes - Revised Statutes of Missouri, RSMo Section 143.121

(a) The amount of any federal income tax refund received for a prior year which resulted in a Missouri income tax benefit;

(b) Interest on certain governmental obligations excluded from federal gross income by Section 103 of the Internal Revenue Code. The previous sentence shall not apply to interest on obligations of the state of Missouri or any of its political subdivisions or authorities and shall not apply to the interest described in subdivision (a) of subsection 3 of this section. The amount added pursuant to this paragraph shall be reduced by the amounts applicable to such interest that would have been deductible in computing the taxable income of the taxpayer except only for the application of Section 265 of the Internal Revenue Code. The reduction shall only be made if it is at least five hundred dollars;

(c) The amount of any deduction that is included in the computation of federal taxable income pursuant to Section 168 of the Internal Revenue Code as amended by the Job Creation and Worker Assistance Act of 2002 to the extent the amount deducted relates to property purchased on or after July 1, 2002, but before July 1, 2003, and to the extent the amount deducted exceeds the amount that would have been deductible pursuant to Section 168 of the Internal Revenue Code of 1986 as in effect on January 1, 2002;

(d) The amount of any deduction that is included in the computation of federal taxable income for net operating loss allowed by Section 172 of the Internal Revenue Code of 1986, as amended, other than the deduction allowed by Section 172(b)(1)(G) and Section 172(i) of the Internal Revenue Code of 1986, as amended, for a net operating loss the taxpayer claims in the tax year in which the net operating loss occurred or carries forward for a period of more than twenty years and carries backward for more than two years. Any amount of net operating loss taken against federal taxable income but disallowed for Missouri income tax purposes pursuant to this paragraph after June 18, 2002, may be carried forward and taken against any income on the Missouri income tax return for a period of not more than twenty years from the year of the initial loss; and

(e) For nonresident individuals in all taxable years ending on or after December 31, 2006, the amount of any property taxes paid to another state or a political subdivision of another state for which a deduction was allowed on such nonresident's federal return in the taxable year.

3. There shall be subtracted from the taxpayer's federal adjusted gross income the following amounts to the extent included in federal adjusted gross income:

(a) Interest or dividends on obligations of the United States and its territories and possessions or of any authority, commission or instrumentality of the United States to the extent exempt from Missouri income taxes pursuant to the laws of the United States. The amount subtracted pursuant to this paragraph shall be reduced by any interest on indebtedness incurred to carry the described obligations or securities and by any expenses incurred in the production of interest or dividend income described in this paragraph. The reduction in the previous sentence shall only apply to the extent that such expenses including amortizable bond premiums are deducted in determining the taxpayer's federal adjusted gross income or included in the taxpayer's Missouri itemized deduction. The reduction shall only be made if the expenses total at least five hundred dollars;

(b) The portion of any gain, from the sale or other disposition of property having a higher adjusted basis to the taxpayer for Missouri income tax purposes than for federal income tax purposes on December 31, 1972, that does not exceed such difference in basis. If a gain is considered a long-term capital gain for federal income tax purposes, the modification shall be limited to one-half of such portion of the gain;

(c) The amount necessary to prevent the taxation pursuant to this chapter of any annuity or other amount of income or gain which was properly included in income or gain and was taxed pursuant to the laws of Missouri for a taxable year prior to January 1, 1973, to the taxpayer, or to a decedent by reason of whose death the taxpayer acquired the right to receive the income or gain, or to a trust or estate from which the taxpayer received the income or gain;

(d) Accumulation distributions received by a taxpayer as a beneficiary of a trust to the extent that the same are included in federal adjusted gross income;

(e) The amount of any state income tax refund for a prior year which was included in the federal adjusted gross income;

(f) The portion of capital gain specified in section 135.357, RSMo, that would otherwise be included in federal adjusted gross income;

(h) For all tax years beginning on or after January 1, 2005, the amount of any income received for military service while the taxpayer serves in a combat zone which is included in federal adjusted gross income and not otherwise excluded therefrom. As used in this section, "combat zone" means any area which the President of the United States by Executive Order designates as an area in which armed forces of the United States are or have engaged in combat. Service is performed in a combat zone only if performed on or after the date designated by the President by Executive Order as the date of the commencing of combat activities in such zone, and on or before the date designated by the President by Executive Order as the date of the termination of combatant activities in such zone; and

(i) For all tax years ending on or after July 1, 2002, with respect to qualified property that is sold or otherwise disposed of during a taxable year by a taxpayer and for which an addition modification was made under paragraph (c) of subsection 2 of this section, the amount by which addition modification made under paragraph (c) of subsection 2 of this section on qualified property has not been recovered through the additional subtractions provided in paragraph (g) of this subsection.

4. There shall be added to or subtracted from the taxpayer's federal adjusted gross income the taxpayer's share of the Missouri fiduciary adjustment provided in section 143.351.

5. There shall be added to or subtracted from the taxpayer's federal adjusted gross income the modifications provided in section 143.411.

6. In addition to the modifications to a taxpayer's federal adjusted gross income in this section, to calculate Missouri adjusted gross income there shall be subtracted from the taxpayer's federal adjusted gross income any gain recognized pursuant to Section 1033 of the Internal Revenue Code of 1986, as amended, arising from compulsory or involuntary conversion of property as a result of condemnation or the imminence thereof.

7. (1) As used in this subsection, "qualified health insurance premium" means the amount paid during the tax year by such taxpayer for any insurance policy primarily providing health care coverage for the taxpayer, the taxpayer's spouse, or the taxpayer's dependents.

(2) In addition to the subtractions in subsection 3 of this section, one hundred percent of the amount of qualified health insurance premiums shall be subtracted from the taxpayer's federal adjusted gross income to the extent the amount paid for such premiums is included in federal taxable income. The taxpayer shall provide the department of revenue with proof of the amount of qualified health insurance premiums paid.

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(L. 1972 S.B. 549, A.L. 1977 S.B. 46, A.L. 1986 S.B. 669, et al., A.L. 1989 H.B. 35, et al., A.L. 1990 H.B. 960, A.L. 2002 S.B. 1248, A.L. 2003 S.B. 11, A.L. 2004 S.B. 1394, A.L. 2005 S.B. 252, A.L. 2006 H.B. 1440 and H.B. 1944 § 2, A.L. 2007 H.B. 444, et al. merged with H.B. 818)

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