768 TITLE LXXIII. 



contracts of the Institution, incurred or entered 

 into in conformity with the provisions of this 

 Title, or for making the purchases and executing 

 the objects authorized by this Title, the Board of 

 Eegents, or the executive committee thereof, 

 may certify to the Chancellor and Secretary of 

 the Board that such sum of money is required, 

 whereupon they shall examine the same, and, if 

 they shall approve thereof, shall certify the same 

 to the proper officer of the Treasury for pay- 

 ment. The Board shall submit to Congress, at 

 each session thereof, a report of the operations, 

 expenditures, and condition of the Institution. 



Right of repeal. Sec. 5594. Congress may alter, amend, add 



m&., b. u, p. ^ or re p ea i an y £ ^ e provisions of this Title ; 



but no contract or individual right made or 



acquired under such provisions shall be thereby 



divested or impaired. 



