By authority of the United States, be it enacted by the Philippine Commission, that:
Section forty-four of Act Numbered Eighty-three is d in id the following substituted therefor:
"SEC. 44. The provincial board is hereby authorized, whenever in discretion the public good requires, to call a convention or meeting of any or all of the municipal presidents of the province at such place and time as it may designate, and it shall be the duty of the president called to attend the same: Provided, That not less than one nor more than four such conventions or meetings shall be called in any one year except upon previous approval of the Governor-General in case any such convention or meeting is called for the purpose of considering or acting on special business, the call shall so state. The actual and necessary traveling expenses, going and returning, of the presidents called and actually attending such meetings shall he paid out of the provincial treasury upon approval by the provincial board, but shall not exceed the maximum amount allowed by law for traveling expenses of provincial officials. During the time that the municipal president is absent for the purpose of attending any such meeting the vice-president shall act in his place and shall receive therefor out of the municipal treasury a sum equal io the salary due the president for the same time. The president shall also receive his salary while absent for the said purpose."