Are all deduction/credits allowed for couples doubled that of single filers?
false. bush ten year plan:
# 2005 180/200 percent of 15 % bracket for singles
# 2006 187/200 percent of 15 % bracket for singles
# 2007 193/200 percent of 15 % bracket for singles
# 2008 200/200 percent of 15 % bracket for singles
# 2010, a sunset provision kicks in and the marriage penalty once again will be in effect.