1040 - US: Form W-2, Box 14, Code 13 - Tier 1 RRTA Tax Withheld

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Amounts entered on Screen W2 in Box 14 with Code 13 will carry to the following areas of the tax return, if applicable:

  • Excess Social Security & RRTA Tax Withholding Worksheet
  • Form 8812
  • Child Tax Credit Worksheets
  • State Postal Code = MO... if itemizing deductions on the Federal return, then the amount reported in Box 14 with Code 13 will carry to the MO-A, Part 2, Line 4 (taxpayer) and / or Line 5 (spouse). Note that this amount is not to exceed $9,971.60 (Tier I maximum of $6,621.60 and Tier II maximum of $3,089)... per Form MO-1040 Instructions.

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