April 23, 2009
On Thursday, April 23, 2009, the President signed into law: S. 520, which designates the United States Courthouse located in Rockford, Illinois, as the "Stanley J. Roszkowski United States Courthouse"
Barack Obama, Statement by the Press Secretary on S. 520 Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/289588