Table 1

Tax extender packages passed since 1998

Law number Date law passed Date law expired Retroactive to Period law not in effect
P.L. 105–277 10/21/1998 6/30/1999 7/1/1998 7/1/98–10/20/98
P.L. 106–170 12/17/1999 6/30/2004 7/1/1999 7/1/99–12/16/99
P.L. 108–311 10/4/2004 12/31/2005 7/1/2004 7/1/04–10/3/04
P.L. 109–432 12/20/2006 12/31/2007 1/1/2006 1/1/06–12/19/06
P.L. 110–343 10/3/2008 12/31/2009 1/1/2008 1/1/08–10/2/08
P.L. 111–312 12/17/2010 12/31/2011 1/1/2010 1/1/10–12/16/10
P.L. 112–240 1/2/2013 12/31/2013 1/1/2012 1/1/12–1/1/13

Source: Guenther (2011)

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