Section 6. That all the taxes and arrears of taxes levied or which become due within the said county of Fulton before the passing of this act, and all sums of money due to this Commonwealth for militia fines in said county of Fulton, shall be collected and recovered as if this act had not been passed: Provided always, That the moneys arising from said county taxes assessed or to be assessed within the limits of the county of Fulton subsequently to the first of September, one thousand eight hundred and fifty, shall from time to time, as the same may be collected, be paid into the treasury of the county of Bedford for the use and benefit of the county of Fulton, until a treasurer shall be elected in the county of Fulton; and the treasurer of the county of Bedford shall keep separate accounts thereof, and pay the same to the treasurer of the county of Fulton as soon as he shall have been elected; and whatever part of said taxes may be assessed after the first day of September, one thousand eight hundred and fifty, may remain uncollected in the county of Fulton at the time of the election of the treasurer thereof, the same shall be collected in the usual manner and paid into the treasury of the county of Fulton.