No firm doing business in Indiana may use the term or title "landscape architect", "landscape architecture", or "landscape architectural" or advertise any title or description tending to convey the impression that the firm employs a practitioner unless the firm employs a practitioner. The name of a practitioner employed by the firm must appear whenever the name of the firm is used in the professional practice of landscape architecture. Any plans, sheets of designs, or specifications prepared by the personnel of the firm must carry the signature and seal of the practitioner who is responsible for supervising the landscape architecture work.
IC 25-4-2-11