SECTION 1. Section three of Act Numbered Fifteen hundred and forty-live is hereby amended to read as follows:
"SEC. 3. The third member of the provincial board shall receive a compensation, to be fixed by resolution of the provincial board, of not less than five nor more than fifteen pesos for each day of actual attendance at the sessions of the board. When designated, to perform other official duties as above provided, or when substituting the provincial governor, in accordance with the provisions of section five of this Act, said third member shall be entitled, upon the unanimous resolution of the provincial board, to receive for each day that lie shall be occupied with official duties such compensation as may be fixed in said resolution, not exceeding the maximum compensation hereinbefore prescribed: Provided, That on no one day shall more than one compensation he allowed to such third member. The per diem Iked by the provincial board shall not be altered more than once during each fiscal year."