Mo. Rev. Stat. » Chapter 407
Missouri Revised Statutes

Mo. Rev. Stat. § 407.145 (2026)

Rulemaking, authority, limitation

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  407.145.  Rulemaking, authority, limitation. — The attorney general shall have the authority to promulgate, in accordance with the provisions of chapter 536, all rules necessary to the administration and enforcement of the provisions of this chapter.  Such rules may include, but need not be limited to, provisions designating the size and style of type which shall be used in written disclosures required by any provision of this chapter for which the size and style of type have not been otherwise designated.

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(L. 1986 S.B. 685, A.L. 1993 S.B. 52)

Notes of Decisions
Cited in 11 cases (2 in the last 5 years), 2001–2025 · leading case: Ports Petroleum Co., Inc. of Ohio v. Nixon, 37 S.W.3d 237 (Mo. 2001).
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Ports Petroleum Co., Inc. of Ohio v. Nixon, 37 S.W.3d 237 (Mo. 2001). · cites it 8× “The attorney general is given the authority, in section 407.145, to promulgate "all rules necessary to the administration and enforcement" of the merchandising practices act.”
Huch v. Charter Commc'ns, Inc., 290 S.W.3d 721 (Mo. 2009). · cites it 2× “Section 407.145; State ex rel Nixon v. Telco Directory Pub.”
In re New Motor Vehs. Canadian Exp. Antitrust Litig., 350 F. Supp. 2d 160 (D. Me. 2004). · cites it 2× “020(1) (authorized by Mo.Rev.Stat. § 407.145). 47 The regulation also states that “[pjroof of deception, fraud, or misrepresentation is not required to prove unfair practices as used in section 407.”
Chochorowski v. Home Depot U.S.A., 404 S.W.3d 220 (Mo. 2013). · cites it 2× “[o]ffends any public policy as it has been established by the Constitution, statutes or common law of this state, or by the Federal Trade Commission, or its interpretive decisions; or 2.”
Jackson v. Hazelrigg Auto. Serv. Ctr., Inc., 417 S.W.3d 886 (Mo. Ct. App. 2014). “§ 407.145. In this case, Jackson relies on 15 CSR 60-8.”
State ex rel. Koster v. Charter Commc'ns, Inc., 461 S.W.3d 851 (Mo. Ct. App. 2015). “” § 407.145. See also Brixen, 29 P.3d at 659 (under a virtually identical CID statutory scheme, attorney general of Utah treated as administrative agency).”
Tiffanie Soetaert v. Novani Flips, LLC, 631 S.W.3d 580 (Mo. Ct. App. 2021). · cites it 2× “at 724-25 (citing section 407.145) (internal quotation marks omitted).”
Tommy Heinz v. Driven Auto Sales, LLC, 603 S.W.3d 890 (Mo. Ct. App. 2020). “” First Community asserted that as a credit union subject to chartering, licensing, or regulation by the director of the division of credit 2 Pursuant to § 407.145, the legislature granted to the attorney general the authority to issue rules setting out the scope and meaning of…”
Planned Parenthood of the St. Louis Region & Sw. Missouri v. Andrew Bailey, 715 S.W.3d 167 (Mo. Ct. App. 2025). “The MMPA prohibits in relevant part “[t]he act, use or employment by any person of any deception, fraud, false pretense, false promise, misrepresentation, unfair practice or the concealment, suppression, or omission of any material fact in connection with the sale or…”
Sandy Jackson v. Hazelrigg Auto. Serv. Ctr., Inc., No. SD32526 (Mo. Ct. App. Jan. 27, 2014). “§ 407.145. In this case, Jackson relies on 15 CSR 60-8.”
State of Missouri ex rel. Attorney Gen. Chris Koster v. Charter Commc'ns, Inc., No. WD78258 (Mo. Ct. App. May 26, 2015). “” § 407.145. See also Brixen, 29 P.3d at 659 (under a virtually identical CID statutory scheme, attorney general of Utah treated as administrative agency).”
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