Section 402. Referral to Physician.--Whenever any of the following conditions are found to exist either from observations by the registrant or on the basis of information furnished by the prospective hearing aid user, a registrant shall, prior to fitting and selling a hearing aid to any individual, suggest to that individual in writing that his best interests would be served if he would consult a licensed physician specializing in diseases of the ear, or if no such licensed physician is available, then to a duly licensed physician:
(1) Visible congenital or traumatic deformity of the ear.
(2) Active drainage from the ear within the previous 90 days or history of this symptom.
(3) Sudden or rapidly progressive hearing loss within the previous 90 days or history of this symptom.
(4) Acute or chronic dizziness.
(5) Unilateral hearing loss of sudden or recent onset within the previous 90 days.
(6) Visible evidence of cerumen accumulation or a foreign body in the ear canal.
(7) Significant air-bone gap, when generally acceptable standards have been established.
(8) Pain in the ear within the previous 90 days.
Whenever any of the aforementioned conditions are found to exist either from observations by the registrant or on the basis of information furnished by the prospective hearing aid user, the registrant shall not sell or fit a hearing aid to such person without a written recommendation from a licensed physician that a hearing aid may be beneficial to such person.