The premium on all bonds required of the county treasurer in any official capacity by the provisions of this Division if the surety thereon shall be a surety company or companies authorized to do business in this State under the laws thereof, shall be paid out of the county treasury: Provided, however, that the amount of said premium shall not exceed one-half of one per cent per annum of the amount of said bond.
55 ILCS 5/3-11014