290.528.  Minimum wage and employment benefits, limitations on political subdivisions. — 1.  As used in this section, the following terms shall mean:

  (1)  "Employee", an individual employed in this state by an employer;

  (2)  "Employer", any individual, sole proprietorship, partnership, limited liability company, corporation, or any other entity that is legally doing business in this state; except that, the term "employer" shall not include any public employer, as defined in section 285.525;

  (3)  "Employment benefits", anything of value that an employee may receive from an employer in addition to wages and salary.  The term includes, but is not limited to, health, disability, retirement, profit-sharing, and death benefits; group accidental death and dismemberment benefits; paid or unpaid days off from work for holidays, sick leave, vacation, and personal necessity; and terms of employment, attendance, or leave policies;

  (4)  "Political subdivision", any municipality, special district, local governmental body, county, city, town, or village.

  2.  Notwithstanding any other provisions of law to the contrary, no political subdivision shall establish, mandate, or otherwise require an employer to provide to an employee:

  (1)  A minimum or living wage rate; or

  (2)  Employment benefits;

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that exceed state laws, rules, or regulations.  Sections 290.500 to 290.530 shall preempt and nullify all political subdivision ordinances, rules, and regulations currently in effect or later enacted relating to the establishment or enforcement of a minimum or living wage or the provision of employment benefits that exceed state laws, rules, or regulations.