MO SB991

Transfers regulation of interior designers from a standalone Interior Design Council to the Missouri Board for Architects, Professional Engineers, Professional Land Surveyors, and Professional Landscape Architects, adding two licensed interior designer members to the board

Changes the credential from "registered interior designer" to "licensed interior designer" and establishes a detailed scope of practice covering nonstructural interior elements, space planning, finish materials, and compliance with building codes

Defines specific exclusions from licensed interior design practice, including structural systems, building envelope changes, mechanical/electrical/plumbing systems, fire safety systems, and changes to occupancy classifications

Requires licensure applicants to pass the Council for Interior Design Qualification examination and hold either a 4-5 year accredited degree with 2 years experience or a 2-year accredited degree with 4 years experience

Establishes that violations of the interior designer provisions constitute a class A misdemeanor and prohibits the state or political subdivisions from requiring licensed interior designers for residential construction projects