In order to effectuate the policies of the National Industrial Recovery Act and of the Joint Resolution making appropriations for relief purposes, being H. J. R. 117 of the 74th Congress, First Session, referred to in Section 1 of this Act, the Board of Trustees of the University of Illinois is authorized to obtain by grant, loan, or in any other mode permissible under Federal law, from the United States, or any department or agency thereof, such money as may be available under any Federal legislation for the construction and financing of buildings actually and reasonably necessary for the efficient operation of the University of Illinois, and to enter into a contract or contracts with the United States or any department or agency thereof, pledging annually in payment of such advances or loans a sum not exceeding annually in the aggregate for all buildings and contracts the sum of $100,000, and for an amortization period of not to exceed thirty years.