Effective 11 Jul 2019, see footnote

143.732. Penalties for delayed payments or underpayments of individual tax liability not assessed for tax year 2018, when, interest — rulemaking — sunset provision. — 1. Notwithstanding any provision of law to the contrary, no taxpayer who has an individual tax liability under chapter 143 for the tax year beginning January 1, 2018, and ending December 31, 2018, shall be assessed any penalty before December 31, 2019, for a delayed payment or underpayment on such liability, provided that such taxpayer timely files his or her individual income tax return for such tax year and participates, in good faith, in any payment plan authorized by the department of revenue with respect to such liability. Such taxpayer may nonetheless be assessed interest on such liability under the provisions of section 143.731 and any other relevant provision of law, provided that no interest on such liability shall be assessed before May 15, 2019. If such taxpayer paid interest or penalty on such liability under the provisions of section 143.731 and any other relevant provision of law before May 15, 2019, he or she shall be entitled to a refund of such interest or penalty, which shall be due no later than December 31, 2019.

2. The department of revenue is authorized to adopt such rules and regulations as are reasonable and necessary to implement the provisions of this section. Any rule or portion of a rule, as that term is defined in section 536.010, that is created under the authority delegated in this section shall become effective only if it complies with and is subject to all of the provisions of chapter 536 and, if applicable, section 536.028. This section and chapter 536 are nonseverable and if any of the powers vested with the general assembly pursuant to chapter 536 to review, to delay the effective date, or to disapprove and annul a rule are subsequently held unconstitutional, then the grant of rulemaking authority and any rule proposed or adopted after July 11, 2019, shall be invalid and void.

3. Under section 23.253 of the Missouri sunset act:

(1) The provisions of the new program authorized under this section shall automatically sunset on December 31, 2019; and

(2) This section shall terminate on December thirty-first of the calendar year immediately following the calendar year in which the program authorized under this section is sunset.

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(L. 2019 S.B. 87)

Effective 7-11-19

Sunset date 12-31-19

Termination date 12-31-20