This chapter hereby is declared to be an independent and separate tax law but complementary to the retail sales tax laws of this state provided for by chapter 57-39.2 and does not apply to:
"Durable medical equipment" includes equipment and devices designed or intended for ostomy care and management and equipment and devices used exclusively for a person with bladder dysfunction. An exemption certificate is not required to obtain exemption. Repair and replacement parts as used in this definition include all components or attachments used in conjunction with the durable medical equipment. Repair and replacement parts do not include items which are for single patient use only.
"Mobility-enhancing equipment" includes crutches and wheelchairs for the use of disabled persons, equipment, including manual control units, van lifts, van door opening units, and raised roofs for attaching to or modifying a motor vehicle for use by a permanently physically disabled person, equipment, including elevators, dumbwaiters, chair lifts, and bedroom or bathroom lifts, whether or not sold for attaching to real property, for use by a permanently physically disabled person in that person's principal dwelling, and equipment, including manual control units, for attaching to or modifying motorized implements of husbandry for use by a permanently physically disabled person.
"Prosthetic device" includes artificial devices individually designed, constructed, or altered solely for the use of a particular disabled person so as to become a brace, support, supplement, correction, or substitute for the bodily structure, including the extremities of the individual, artificial limbs, artificial eyes, hearing aids, and other equipment worn as a correction or substitute for any functioning portion of the body, artificial teeth sold by a dentist, and eyeglasses when especially designed or prescribed by an ophthalmologist, physician, oculist, or optometrist for the personal use of the owner or purchaser.
N.D.C.C. § 57-40.2-04