Sec. 5. If a dentist: (1) determines that it is impossible to mark a denture or a partial denture in the manner described in section 4 of this chapter; and (2) notifies the patient in writing of that determination before the denture or partial denture is delivered to the patient; the marking requirements of this chapter do not apply to that denture or partial denture. As added by P.L.135-1984, SEC.1.