September 30, 2016
On Friday, September 30, 2016, the President signed into law:
S. 1878, the "Advancing Hope Act of 2016," which modifies the Food and Drug Administration priority review voucher program for rare pediatric diseases and extends authority for the program through December 31, 2016.
Barack Obama, Statement by the Press Secretary on S. 1878 Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/319533