Indiana Code Title 25. Professions and Occupations § 25-17.6-7-1

(1) An officer or employee of the United States government, state government, or local government while engaged in providing geological services for the officer's or employee's employers.

(2) A person engaged solely in geological research or the instruction of geology.

(3) A person not engaged in the public practice of geology.

(4) A professional engineer registered under IC 25-31 who applies geology to the practice of engineering.

(5) A soil scientist who is certified as a soil classifier or soil scientist by the American Registry of Certified Professionals in Agronomy, Crops and Soils (ARCPACS) and the Indiana Association of Professional Soil Classifiers (IAPSC) and who applies geology in the practice of soil science.