Missouri § 337.643 - Licensure required for use of title — practice authorized.
Full text of Missouri Revised Statutes of Missouri § 337.643 — Licensure required for use of title — practice authorized., with citation guidance and answers to common questions.
§ 337.643. Licensure required for use of title — practice authorized.
1. No person shall use the title of licensed master social worker and engage in the practice of master social work in this state unless the person is licensed as required by the provisions of this section and section 337.644.
2. A licensed master social worker shall be deemed qualified to practice the applications of social work theory, knowledge, methods and ethics and the professional use of self to restore or enhance social, psychosocial, or biopsychosocial functioning of individuals, couples, families, groups, organizations, and communities. "Master social work practice" includes the applications of specialized knowledge and advanced practice skills in the management, information and referral, counseling, supervision, consultation, education, research, advocacy, community organization, and the development, implementation, and administration of policies, programs, and activities. Under supervision as provided in sections 337.600 to 337.689, the practice of master social work may include the practices reserved to clinical social workers or advanced macro social workers for no more than forty-eight consecutive calendar months for the purpose of obtaining licensure under section 337.615 or 337.645. No licensed master social worker shall practice independently the scope of practice reserved for clinical social workers or advanced macro social workers. This shall mean that any practices reserved to licensed clinical social workers or licensed advanced macro social workers performed by a licensed master social worker shall be for the purpose of obtaining licensure under section 337.615 or 337.645 in an employment setting where either a licensed clinical social worker or a licensed advanced macro social worker is a registered supervisor approved by the state committee for social work.
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(L. 2007 H.B. 780 merged with S.B. 308, A.L. 2010 H.B. 2226, et al., A.L. 2014 S.B. 808)
---- end of effective 28 Aug 2014 ----
Source: official Missouri text · Last verified 2026-08-27
Frequently Asked Questions About Missouri § 337.643
What does Revised Statutes of Missouri § 337.643 cover?
Section 337.643 ("Licensure required for use of title — practice authorized.") 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 § 337.643?
A common citation format is "Revised Statutes of Missouri § 337.643" (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 § 337.643 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.