20. An optometrist is forbidden to have any direct or indirect interest in an undertaking for the manufacture or sale of ophthalmic lenses, eyeglass frames, medications or other products pertaining to the exercise of optometry. If an interest in such an undertaking devolves to him by succession or otherwise, he must dispose of it immediately.
1973, c. 52, s. 20; 2009, c. 35, s. 65.