Title X, TAXATION AND REVENUE

143.2100. Definitions — report, contents — rulemaking authority. — 1. As used in sections 143.2100 to 143.2115, unless the context requires a different meaning, the following terms shall mean: (1) "Deduction", an amount subtracted from the taxpayer's Missouri adjusted gross incom…

143.2105. Definitions — income tax deduction for port cargo volume increase, calculation — claiming procedure. — 1. As used in this section, unless the context clearly indicates otherwise, the following terms shall mean: (1) "Airport", any publicly or privately owned facility loc…

143.211. Credit for tax withheld. — Any amount of tax actually deducted and withheld under sections 143.011 to 143.996 in any calendar year shall be deemed to have been paid to the director of revenue on behalf of the person from whom withheld. Such person shall be credited with …

143.2110. Income tax deduction for cargo — amount, claiming procedure. — 1. As used in this section, unless the context clearly indicates otherwise, the term "international trade facility" shall mean a company that: (1) Is doing business in the state and engaged in water port or …

143.2115. Definitions — income tax deduction for increased qualified trade activities or capital investment for trade activities — amount, claiming procedure, exclusions — aggregation of claims — recapture — guidelines. — 1. As used in this section, unless the context requires a …

143.221. Employer's return and payment of tax withheld. — 1. Every employer required to deduct and withhold tax under sections 143.011 to 143.996 shall, for each calendar quarter, on or before the last day of the month following the close of such calendar quarter, file a withhold…

143.225. Quarter-monthly remittance, when — deemed filed on time, when — quarter-monthly defined — underpayment penalty, exceptions — electronic funds payment system authorized. — 1. The director of revenue, by regulation, may require an employer to timely remit the unpaid amount…

143.241. Employer's and corporate officer's liability for withheld taxes — sale of business, liabilities. — 1. Every employer required to deduct and withhold tax under sections 143.011 to 143.996 is hereby made liable for such tax. For purposes of assessment and collection, any a…

143.251. Employer's failure to withhold. — If an employer fails to deduct and withhold tax as required, and thereafter the tax against which such tax may be credited is paid, the tax so required to be deducted and withheld shall not be collected from the employer. The employer sh…

143.261. Compensation. — For every remittance to the director of revenue made on or before the date the remittance becomes due, the employer, other than the United States and its agencies, the state of Missouri and political subdivisions thereof, may deduct and retain the followi…

143.265. Retirement income, withholding authorized, when. — Every resident receiving retirement income from an entity in this state and provided that such income is taxable by this state may have an amount withheld from such income as a payment of state income tax as required by …

143.271. Period for computation of taxable income. — 1. For purposes of taxes imposed by sections 143.011 to 143.996, a taxpayer's taxable year shall be the same as his taxable year for federal income tax purposes. 2. If a taxpayer's taxable year is changed for federal income tax…

143.281. Methods of accounting. — 1. For purposes of taxes imposed by sections 143.011 to 143.996, a taxpayer's method of accounting shall be the same as his method of accounting for federal income tax purposes. If no method of accounting has been regularly used by the taxpayer, …

143.291. Adjustments. — In computing a taxpayer's taxable income for any taxable year under a method of accounting different from the method under which the taxpayer's taxable income for the previous year was computed, there shall be taken into account those adjustments which are…

143.301. Transitional adjustments. — The director of revenue shall prescribe regulations dealing with situations in which the application of sections 143.011 to 143.996 to a taxpayer produces a computation of taxable income under a method of accounting different from the method u…

143.311. Missouri taxable income and tax. — The Missouri taxable income of an estate or trust shall be computed in the same manner as in the case of an individual except as otherwise provided in sections 143.321 to 143.391. The tax shall be computed on such taxable income at the …

143.321. Exempt associations, trusts, and organizations. — A trust or other unincorporated organization which by reason of its purposes and activities is exempt from federal income tax shall be exempt from the tax imposed by sections 143.011 to 143.996. The preceding sentence sha…

143.331. Resident estate or trust defined. — A "resident estate or trust" means: (1) The estate of a decedent who at his or her death was domiciled in this state; (2) A trust that: (a) Was created by will of a decedent who at his or her death was domiciled in this state; and (b) …

143.341. Missouri taxable income of resident estate or trust. — 1. The Missouri taxable income of a resident estate or trust means its federal taxable income subject to the modifications in this section. 2. There shall be subtracted the amount if any that the federal personal exe…

143.351. Fiduciary adjustment. — 1. An adjustment shall be made in determining the Missouri taxable income of a resident estate or trust under section 143.341, or the Missouri adjusted gross income of a resident beneficiary of any estate or trust under section 143.121, subsection…

143.361. Credit for income tax paid to another state. — A resident estate or trust shall be allowed the credit provided in section 143.081 (relating to an income tax imposed by another state). ­­-------- (L. 1972 S.B. 549) Effective 1-1-73, see § 143.109

143.371. Nonresident estate or trust defined. — A "nonresident estate or trust" means an estate or trust which is not a resident estate or trust as defined in section 143.331. ­­-------- (L. 1972 S.B. 549) Effective 1-1-73, see § 143.109

143.381. Missouri taxable income of nonresident estate or trust. — 1. The Missouri taxable income of a nonresident estate or trust consists of: (1) Its share under section 143.391 of items of income, gain, loss, and deduction from sources within Missouri which enter into the fede…

143.391. Share of nonresident estate, trust, or beneficiary in income from Missouri sources. — 1. The share of a nonresident estate or trust under subdivision (1) of subsection 1 of section 143.381 and the share of a nonresident beneficiary of any estate or trust under subsection…

143.401. General treatment of partners and partnerships. — A partnership shall not be subject to tax under sections 143.011 to 143.996. Persons carrying on business as partners shall be liable for the tax under sections 143.011 to 143.996 only in their separate capacities. The pr…

143.411. Resident partner modifications — nonresident partners, composite returns — withholding required, when, amount. — 1. Any modification described in sections 143.121 and 143.141 which relates to an item of partnership income, gain, loss, or deduction shall be made in accord…

143.421. Nonresident partner — adjusted gross income from Missouri sources. — 1. In determining the adjusted gross income of a nonresident partner of any partnership, there shall be included only that part derived from or connected with sources in this state of the partner's dist…

143.425. Federal adjustments due to audit, IRS actions, or amended federal tax returns — definitions — reporting requirements — audited partnerships, duties — additional taxes assessed, when — estimated payments — rulemaking authority. — 1. For the purposes of this section, the f…

143.431. Missouri taxable income and tax. — 1. The Missouri taxable income of a corporation taxable under sections 143.011 to 143.996 shall be so much of its federal taxable income for the taxable year, with the modifications specified in subsections 2 to 4 of this section, as is…

143.433. No corporate income tax return or other document filing required, when. — Notwithstanding any law to the contrary, any entity not subject to the tax on corporations under subsection 2 of section 143.441 shall not be required to complete or file any document or return rel…

143.436. SALT parity act — definitions — affected business entity tax, certain partnerships and S corporations — nonresident members — reporting — tax credits — election to become affected business entity — rules. — 1. This section shall be known and may be cited as the "SALT Par…

143.441. Corporation defined — corporate tax inapplicable, when. — 1. The term "corporation" means every corporation, association, joint stock company and joint stock association organized, authorized or existing under the laws of this state and includes: (1) Every corporation, a…

143.451. Taxable income to include all income within this state — definitions — intrastate business, report of income, when — deductions, how apportioned. — 1. Missouri taxable income of a corporation shall include all income derived from sources within this state. 2. For all tax…

143.455. Taxable income, what constitutes — definitions — taxable in another state, when — rents and royalties — sale of tangible personal property — transportation services — deductions — S corporations. — 1. Missouri taxable income of a corporation shall include all income deri…

143.461. Elective division of income. — 1. A corporation shall elect to determine income applicable to this state by multiplying the total income from all sources by the fraction determined in the manner in section 143.451 for all tax years ending on or before December 31, 2019, …

143.471. S corporations, shareholders — composite returns — withholding required, when, how determined — pro rata share of certain tax credits for banking S corporations, S corporations that are associations, or credit institutions. — 1. An S corporation, as defined by Section 13…

143.481. Persons required to make returns of income. — An income tax return with respect to the tax imposed by sections 143.011 to 143.996 shall be made by the following: (1) Every resident individual who has a Missouri adjusted gross income of one thousand two hundred dollars or…

143.491. Returns by husband and wife. — 1. A combined return shall be filed by a husband and wife who file a joint federal return even though one of them has neither income nor deductions. The tax liability of the two taxpayers shall be separate and not joint and several. 2. Sepa…

143.501. Returns by fiduciary and partnership. — 1. An income tax return for any deceased individual shall be made and filed by his executor, administrator, or other person charged with the care of his property. A final return of a decedent shall be due when it would have been du…

143.511. Time and place for filing returns and paying tax, exception. — Income tax returns required by sections 143.011 to 143.996 shall be filed on or before the fifteenth day of the fourth month following the close of the taxpayer's taxable year except where the taxpayer is an …

143.521. Declarations of estimated tax. — 1. Every resident and nonresident individual shall make a declaration of estimated tax for the taxable year, in such form as the director of revenue may prescribe if the Missouri estimated tax can reasonably be expected to be at least one…

143.531. Time for filing declaration of estimated tax. — 1. A declaration of estimated tax, other than by a farmer, shall be filed on or before April fifteenth of the taxable year, except that if the requirements of section 143.521 are first met: (1) After April first and before …

143.541. Payments of estimated tax. — 1. The estimated tax with respect to which a declaration is required under sections 143.011 to 143.996 shall be paid as follows: (1) If the declaration is filed on or before April fifteenth of the taxable year, the estimated tax shall be paid…

143.551. Extension of time for filing and payment. — 1. The director of revenue may grant a reasonable extension of time for payment of tax or estimated tax or any installment thereof, or for filing any return, declaration, statement, or other document required in sections 143.01…

143.561. Signing of returns and other documents. — 1. Any return, declaration, statement, or other document required to be made pursuant to sections 143.011 to 143.966 shall be signed in accordance with regulations or instructions prescribed by the director of revenue. The fact t…

143.571. Requirements — returns, notices, records, and statements. — The director of revenue may prescribe regulations as to the keeping of records, the content and form of returns and statements, and the filing of copies of federal income returns and determinations. The director…