Section 30
SEC. 30. On and after March first, nineteen hundred and eight, it. shall be unlawful for any person to hold or to have in his possession or under his control or subject to his disposition any opium, cocaine alpha or beta cueaine, or any derivative or preparation of or substances: Provided, however, That Government or officers of the Government duly authorized by law or designated in writing by the Governor-General may have, hold, and dispute of any such drugs or substances in accordance with law: And provided further, That duly licensed and practicing physicians, pharmacists, and second-class pharmacists, or persons holding and having such drug* and substances on the prescription of a duly licensed and practicing physician, may have, hold, possess, and dispose o|' such drugs and substances for medicinal purposes only: And provided further, That on and after March first, nineteen hundred and eight, whenever opium, cocaine, alpha or beta cucaine, or any derivative or preparation of such drugs or substances, is found on. about, in the possession of, or under the control of, any unauthorized person, such opium, cocaine, alpha or beta cucaine, or any derivative or preparation of such drugs or substances, shall be seized and forfeited to the Insular Government.