That the Auditor General be, and he hereby is, authorized and required to cause to be removed to the Philadelphia National Bank all the books and records now in the possession of the Farmers and Mechanics National Bank of Philadelphia by virtue of a resolution, passed on the fourteenth day of April, Anno Domini one thousand eight hundred thirty-five, or an act, approved on the twenty-first day of April, Anno Domini one thousand eight hundred fifty-eight; and that the Philadelphia National Bank be, and hereby is, appointed the loan and transfer agent of the Commonwealth of Pennsylvania, and, as such agent, is authorized and empowered to perform all the acts and duties, as directed by said resolution and act to be done by the said Farmers and Mechanics National Bank of Philadelphia, relative to the several loans of this Commonwealth, including the issue of said loans and transfers thereof, and be subject to the same liabilities and restrictions: Provided, That the State may at any time discontinue the agency of said bank and its custody of the transfer books of the public loans, and, in such an event, the compensation herein provided for shall cease and determine.