Section 2. Hereafter it shall be unlawful for any person not in the service of the Armed Forces of the Philippines or the Philippine Constabulary, except those excluded from the prohibition in section one of this Act, to use or wear the duly prescribed insignia, badge or emblem or rank of the members of the Armed Forces of the Philippines or the Philippine Constabulary, or any colorable imitation thereof: Provided, That the foregoing shall not be construed as prohibiting any person from using or wearing any military or naval insignia, badge or emblem of rank in any play-house or theater or in moving-picture films while actually engaged in representing therein a military or naval character not tending to bring discredit or reproach upon the Armed Forces of the Philippines, the Philippine Constabulary or the Bureau of Coast and Geodetic Survey: Provided, Further, That the use or wearing of any military or naval insignia, badge or emblem of rank while engaged in representing a military or naval character as hereinabove described, shall be subject to supervision and regulation by the Secretary of National Defense. The phrase “duly prescribed insignia, badge or emblem of rank” shall, for the purpose of this Act, mean any insignia, badge or emblem of rank which is, or may hereafter be, prescribed by Congress, the Secretary of National Defense or the Chief of Constabulary.