A person may not engage in the business of drilling geothermal systems in the state after July 1, 2008, unless a certified driller, who is responsible for the proper drilling of the geothermal system, is in charge of the drilling. This chapter does not prohibit a person from drilling geothermal systems on that person's own premises for that person's own use.
N.D.C.C. § 43-35-18.3