January 22, 2010
On Friday, January 22, 2010, the President signed into law:
H.R. 4462, which allows taxpayers to accelerate the income tax benefits for certain charitable cash contributions made before March 1, 2010, for the relief of victims of the earthquake in Haiti.
Barack Obama, Statement by the Press Secretary on H.R. 4462 Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/292607