76. An optometrist may not claim(1) the payment of an account of fees or ophthalmic products when the payment must be paid to the optometrist by a third person, unless an explicit agreement to that effect was entered into with the patient in accordance with law;
(2) fees for an optometric service that has been unjustifiably rendered from an optometric point of view; or
(3) fees for an optometric service that has not been provided or that does not correspond to the service actually rendered.