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| State/City/County Income Tax Formulas |
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A B C
D E F
G H I
J K
L M
N O
P Q
R S T
U V W
X Y
Z
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A 
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Alabama
State Income Tax Information (Effective Pay Period 11, 2007)
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Alabama
Cities Income Tax Information (Effective Pay Period 21, 1992) |
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Alabama
Counties Income Tax Information (Effective Pay Period 05, 2001)
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Arizona
State Income Tax Information (Effective Pay Period 10, 2005) |
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Arkansas
State Income Tax Information (Effective Pay Period 11, 2006) |
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C
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California
State Income Tax Information (Effective Pay Period 07, 2007)
Colorado
State Income Tax Information (Effective Pay Period 09, 2007)
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Colorado
Cities Income Tax Information (Denver) (Effective Pay Period 01, 1989)
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Connecticut
State Income Tax Information (Effective Pay Period 12, 2007) |
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D
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Delaware
State Income Tax Information (Effective Pay Period 01, 2000)
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Delaware
Cities Income Tax Information (Wilmington) (Effective Pay Period 12, 1983)
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District
of Columbia State Income Tax Information (Effective Pay Period 07, 2007) |
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G
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Georgia
State Income Tax Information (Effective Pay Period 7, 2006) |
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H
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Hawaii
State Income Tax Information (Effective Pay Period 07, 2007) |
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I
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Idaho
State Income Tax Information (Effective Pay Period 13, 2005) |
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Illinois
State Income Tax Information (Effective Pay Period 01, 2000) |
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Indiana
State Income Tax information (Effective Pay Period 21, 2000) |
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Indiana
Counties Income Tax Information (Effective Pay Period 23, 2007)
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Iowa
State Income Tax Information (Effective Pay Period 13, 2006)
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K
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Kansas
State Income Tax Information (Effective Pay Period 02, 1999) |
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Kentucky
State Income Tax Information (Effective Pay Period 09, 2007)
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Kentucky
Cities Income Tax Information (Effective Pay Period 23, 2007)
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Kentucky
Counties Income Tax Information (Effective Pay Period 09, 2007)
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L
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Louisiana
State Income Tax Information (Effective Pay Period 04, 2003) |
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M
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Maine
State Income Tax Information (Effective Pay Period 08, 2007) |
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Maryland
State Income Tax Information (Effective Pay Period 07, 2007)
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Maryland
Counties Income Tax Information (Effective Pay Period 07, 2006) |
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Massachusetts
State Income Tax Information (Effective Pay Period 11, 2007) |
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Michigan
State Income Tax Information (Effective Pay Period 23, 2007)
Michigan
Cities Income Tax Information (Effective Pay Period 11, 2006)
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Minnesota
State Income Tax Information (Effective Pay Period 08, 2007) |
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Mississippi
State Income Tax Information (Effective Pay Period 03, 2000) |
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Missouri
State Income Tax Information (Effective Pay Period 11, 2007)
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Missouri
Cities Income Tax Information (Effective Pay Period 15, 2004)
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Montana
State Income Tax Information (Effective Pay Period 07, 2005) |
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N
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Nebraska
State Income Tax Information (Effective Pay Period 06, 2007) |
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New
Jersey State Income Tax Information (Effective Pay Period 20, 2007) |
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New
Mexico State Income Tax Information (Effective Pay Period 06, 2007) |
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New
York State Income Tax Information (Effective Pay Period 09, 2006)
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New
York City Income Tax Information (Effective Pay Period 09, 2006)
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North
Carolina State Income Tax Information (Effective Pay Period 06, 2007) |
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North
Dakota State Income Tax Information (Effective Pay Period 08, 2007) |
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O
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Ohio
State Income Tax Information (Effective Pay Period 08, 2007)
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Ohio
Cities Income Tax Information (Effective Pay Period 08, 2007)
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Oklahoma
State Income Tax Information (Effective Pay Period 17, 2007) |
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Oregon
State Income Tax Information (Effective Pay Period 11, 2007) |
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P
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Pennsylvania
State Income Tax Information (Effective Pay Period 04, 2004)
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Pennsylvania
Cities Emergency and Municipal Services Tax (EMST) Information
(Effective Pay Period
04, 2006)
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Pennsylvania
Cities Income Tax Information (Effective Pay Period 25, 2007)
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Pennsylvania
Counties Income Tax Information (Effective Pay Period 07, 1997)
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R
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Rhode
Island State Income Tax Information (Effective Pay Period 09, 2007) |
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S
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South
Carolina State Income Tax Information (Effective Pay Period 04, 1998) |
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U
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Utah
State Income Tax Information (Effective Pay Period 06, 2007) |
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V
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Vermont
State Income Tax Information (Effective Pay Period 12, 2007) |
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Virginia
State Income Tax Information (Effective Pay Period 09, 2005) |
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W
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West
Virginia State Income Tax Information (Effective Pay Period 20, 2007) |
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West
Virginia Cities Tax Information (Effective Pay Period 16, 2004)
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Wisconsin
State Income Tax Information (Effective Pay Period 23, 2000) |
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