The actual expenses of the county commissioners, county solicitor, and chief clerk, attending such meetings of said State Association, including traveling expenses and hotel bills actually paid by them, expenses of committees, together with the necessary expenses of the convention, including printing and the employment of stenographers, shall be paid by the various counties by orders drawn on the county treasurer. The time spent in attending said meetings shall not be more than four days, exclusive of the time employed in traveling thereto and therefrom. The expenses herein mentioned as the necessary expenses of the convention shall shall not be more than fifty dollars to any county per annum.
16 P.S. § 7222