December 16, 2009
On December 15, 2009, the President signed into law:
H.R. 4218, the No Social Security Benefits for Prisoners Act of 2009, which prohibits retroactive payments of Social Security benefits to eligible individuals who are in prison, fleeing from prosecution, or in violation of parole or probation.
Barack Obama, Statement by the Press Secretary on H.R. 4218 Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/289424