January 31, 2012
On Tuesday, January 31, 2012, the President signed into law:
H.R. 3800, the "Airport and Airway Extension Act of 2012," which extends through February 17, 2012, authorities to collect taxes that fund the Airport and Airway Trust Fund, make expenditures from the Airport and Airway Trust Fund, and make grants to airports under the Airport Improvement Program.
Barack Obama, Statement by the Press Secretary on H.R. 3800 Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/309775