Indiana Code Title 25. Professions and Occupations § 25-20.7-1-5

Sec. 5. (a) “Interior design” means client consultation and preparation and administration of design documents that include:

relating to nonstructural and nonseismic interior elements of a building or structure.

(b) The term includes design documents for space plans, reflected ceiling plans, egress, ergonomics, and the design or specification of fixtures, furnishings, equipment, cabinetry, lighting, materials, finishes, and interior design that does not materially affect the building system.

(c) The term does not include construction documents for construction (as defined in 675 IAC 12-6-2(c)) that are prepared only by architects and engineers and filed for state design release.