Missouri § 319.321 - Inapplicability of law, when.
Full text of Missouri Revised Statutes of Missouri § 319.321 — Inapplicability of law, when., with citation guidance and answers to common questions.
§ 319.321. Inapplicability of law, when.
Sections 319.309, 319.312, 319.315, and 319.318 shall not apply to:
(1) Universities, colleges, or trade schools when confined to the purpose of instruction or research;
(2) The use of explosive materials in the forms prescribed by the official U.S. Pharmacopoeia or the National Formulary and used in medicines and medicinal agents;
(3) The training or emergency operations of any federal, state, or local government including all departments, agencies, and divisions thereof, provided they are acting in their official capacity and in the proper performance of their duties or functions;
(4) The use of explosives by the military or any agency of the United States;
(5) The use of pyrotechnics, commonly known as fireworks, including signaling devices such as flares, fuses, and torpedoes;
(6) The use of small arms ammunition and components thereof which are subject to the Gun Control Act of 1968, 18 U.S.C. Section 44, and regulations promulgated thereunder. Any small arms ammunition and components thereof exempted by the Gun Control Act of 1968 and regulations promulgated thereunder are also exempted from the provisions of sections 319.300 to 319.345;
(7) Any person performing duties using explosives within an industrial furnace;
(8) The use of agricultural fertilizers when used for agricultural or horticultural purposes;
(9) The use of explosives for lawful demolition of structures;
(10) The use of explosives by employees, agents, or contractors of rural electric cooperatives organized or operating under chapter 394;
(11) Individuals discharging historic firearms and cannon or reproductions of historic firearms and cannon; and
(12) Any person using explosive materials along with a well screen cleaning device for the purpose of unblocking clogged screens of agricultural irrigation wells located within the southeast Missouri regional water district as created in section 256.643.
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(L. 2007 H.B. 298, A.L. 2010 S.B. 795)
---- end of effective 28 Aug 2010 ----
Source: official Missouri text · Last verified 2026-08-27
Frequently Asked Questions About Missouri § 319.321
What does Revised Statutes of Missouri § 319.321 cover?
Section 319.321 ("Inapplicability of law, when.") is part of the Revised Statutes of Missouri, the codified statutory law of Missouri. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Missouri § 319.321?
A common citation format is "Revised Statutes of Missouri § 319.321" (Missouri). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Missouri law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Missouri official source linked on this page or consult a licensed Missouri attorney.
How does Missouri § 319.321 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Missouri can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Missouri.