UPDATE HISTORY:

version 18.5.0 - 02/28/18
   2018 State tax change for North Dakota
   Check back for tax updates.
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version 18.4.0 - 01/25/18
   2018 State tax change for Alabama,
   Missouri and Oregon.
   Check back for tax updates.
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version 18.3.0 - 01/12/18
   New Federal Tax rate for 2018.
   Check back for tax updates.
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version 18.2.0 - 01/12/18
   Updated Illinois tax rates.
   Check back for tax updates.
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version 18.1.0 - 12/30/17
   Updated several State rates.
   Check back for tax updates.
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version 18.0.0 - 12/15/17
   New Version for 2018
   Check back for tax updates.