UPDATE HISTORY:

Version 23.4.0 - 02/21/23
   Updated Michigan and Mississippi withholding rates.
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Version 23.3.0 - 01/01/23
   Updated Oregon and No. Dakota withholding rates.
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Version 23.2.0 - 12/23/22
   Updated Maryland withholding rates.
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Version 23.1.0 - 12/21/22
   Added Illinois, Minnesota, Missouri,
   Rhode Island and Vermont's new tax rates.
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Version 23.0.0 - 12/20/22
   New version for 2023 tax year.
   New Federal and many State tax
   rates included.