Section 4
SEC. 4. (a) Except when prescribed as a medicine by a duly licensed and practicing physician;, it shall be unlawful for any person to smoke, chew, swallow, inject, or otherwise consume or use opium in any of its forms unless such person has been duly registered as provided in section two hereof and has secured the certificate therein prescribed. Except when prescribed as a medicine by a duly licensed and practicing physician, no registered confirmed user of opium shall smoke, chew, swallow, inject, or otherwise use or consume opium except in his own residence. (b) Any person violating the provisions of this section shall be punished by a fine not exceeding two hundred pesos, or by imprisonment for a period not exceeding six months, or by both such fine and imprisonment, in the discretion of the court.