SECTION 1.Section one of Act Numbered Ninety-eight, entitled "An Act to regulate commerce in the Philippine Islands," is hereby amended by adding at the end of said section the following words:
"Provided, nevertheless, That nothing in this Act contained shall be deemed to prohibit a person or corporation engaged as a common carrier of passengers or property from granting a special rate to officers and employees of the Insular and provincial governments in the Philippine Islands, or to officers, soldiers, and sailors of the Army or Navy of the United State in the Philippine Islands, for transportation for themselves, their families, and personal household effects when traveling at their own expenses. Such special rate, if granted to any, shall be uniform as to all such officers, employees, soldiers, and sailors."