Revocation or suspension of certificate.
Section 20
SEC. 20. Revocation or suspension of certificate.—The Board may, after giving proper notice and hearing to the party concerned, revoke or suspend a certificate of registration for the causes mentioned in the next preceding section, or for unprofessional conduct, malpractice, incompetency or serious ignorance or malicious negligence in the practice of optometry; or for making use of fraud, deceit, or false statements to obtain a certificate of registration; or for habitual use of intoxicating liquors, drugs or medicines causing him to become incompetent to practice optometry; or for the employment of persons who are not duly authorized to do the work that under this Act can be done only by persons who have certificates of registration to practice optometry in the Philippines; or for the employment of deceit or any other fraud with the public in general or some client in particular for the .purpose of extending his clientele; or for making false advertisements, radio announcements and other similar means of calling the attention of the public; or for publishing or circulating exaggerated, fraudulent or deceitful allegations regarding his professional attainments, skill, or knowledge, or the methods and technique employed by him.