SECTION  1929 . Liability of Prisoners to Labor . — All convicted, able-bodied, male prisoners not over sixty years of age, may be compelled to work in and about prisons, jails, public buildings, grounds, roads, and other public works of the Insular Governmen t, the provinces, or the municipalities, under general regulations to be prescribed by the Director of Prisons, with the approval of the Secretary of Public Instruction. Persons detained on civil process or confined for contempt of court and persons detain ed pending a determination of their appeals may be compelled to police their cells and to perform such other labor as may be deemed necessary for hygienic or sanitary reasons. [1703-11.] SECTION  1930 . Assignment of Women to Work . — Convicted female prisoners may be assigned to work suitable to their age, sex, and physical condition. [1703-11.] Iwahig Penal Colony SECTION  1931 . Iwahig Penal Colony . — Upon the Iwahig reservation, in the Province of Palawan, there shall be maintained an institution subsidiary to the main prison, to be known as the Iwahig penal colony. In this colony shall be kept such prisoners as may be transferred thereto from the main prison in accordance with regulations to be prescribed by the Director of Prisons. The discipline of the persons detained in this colony shall be of a reformatory and p robationary character, and the surveillance over said colony and the colonists shall be less strict than is maintained in the main prison. [1723.] SECTION  1932 . Superintendent of Colony — Justice of Peace . — The Iwahig penal colony shall be under the immediate supervision of a superintendent, who shall be an  ex officio  justice of the peace, and shall, within the limits of the colony, have the jurisdi ction and all powers conferred upon justices of the peace by the laws of the Philippine Islands. [1723-7.] SECTION  1933 . Privileges Based Upon Behavior and Service . — Persons detained at the Iwahig penal colony shall be known as colonists, and they may be Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 572 ARTICLE  III