The tax items affected by TCJA for tax year 2018 of greatest interest to most of you who may have to change the Form W-4 include the following: |
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- The standard deduction for married filing jointly rises to $24,000. For single taxpayers and married individuals filing separately, the standard deduction rises to $12,000; for heads of households, $18,000.
- The TCJA reduced the personal exemption which for tax year 2018 is $0.
- TCJA reduced tax rates for many taxpayers. The new tax rates are: 10 percent, 12 percent, 22 percent, 24 percent, 32 percent, 35 percent and a top rate of 37 percent. For tax year 2018, the highest tax rate will apply to married individuals filing jointly and surviving spouses with taxable incomes over $600,000, to single taxpayers and heads of households with incomes over $500,000, and to married taxpayers filing separately with incomes over $300,000.
- The TCJA eliminates the limitation for itemized deductions.
- The Alternative Minimum Tax exemption amount for tax year 2018 is greatly increased under TCJA. For tax year 2018, the exemption amount for single taxpayers is $70,300 and begins to phase out at $500,000, and the exemption amount for married couples filing jointly is $109,400 and begins to phase out at $1 million.
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Miscellaneous deductions which exceed 2% of your AGI will be eliminated for the tax years 2018 through 2025. This includes deductions for unreimbursed employee expenses and tax preparation expenses.
The elimination of unreimbursed employee expenses only affects taxpayers who claim an employee-related deduction on Schedule A. If, as a business owner, you typically file a Schedule C, your business-related deductions are not affected by the elimination of Schedule A deductions.
The new IRS released withholding tables for 2018 are designed to produce the correct amount of tax withholding (avoiding under- and over-withholding of tax) for those with simple tax situations. This means that people with simple situations might not need to make any changes.
Simple situations include singles and married couples with only one job, who have no dependents, and who have not claimed itemized deductions, adjustments to income or tax credits. |
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People with more complicated financial situations might need to revise their W-4. Among the groups who should check their withholding are: |
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- Two-income families;
- People with two or more jobs at the same time or who only work for part of the year;
- People with children who claim credits such as the Child Tax Credit;
- People who itemized deductions;
- People with high incomes and more complex tax returns.
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The federal withholding system provides the model that 41 states use to withhold state income taxes - nine states: Alaska, Florida, New Hampshire, Nevada, South Dakota, Tennessee, Texas, Washington and Wyoming don't have a state income tax. The income state tax, for the 41 states that require it, works pretty much like the federal income tax; of course rates differ from state to state.
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You can use the IRS Withholding Calculator to decide what your withholding should be, although you would be better off just following the instructions for Form W-4 .
No matter the tool you decide to use, if you want to make sure you are taking the right decisions in all your dealings with the IRS, and especially so when new rules are in place, help form a tax professional is invaluable and more than necessary. |
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