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What is a 'Tax Deduction'

A tax deduction is a deduction that lowers a person’s tax liability by lowering his taxable income. Deductions are typically expenses that the taxpayer incurs during the year that can be applied against or subtracted from his gross income in order to figure out how much tax is owed. 

BREAKING DOWN 'Tax Deduction'

Different regions have different tax codes that allow taxpayers to deduct a variety of expenses from taxable income. Tax codes vary at the federal and state level. Taxation authorities in both the federal and state governments set the tax code standards annually. Tax deductions set by government authorities are often used to entice taxpayers to participate in community service programs for the betterment of society. Taxpayers who are aware of eligible federal and state tax deductions can greatly benefit through both tax deduction and service-oriented activities annually. In the United States, tax deductions are available for federal and state taxes.

Tax deductions fall under two categories: standard deductions and itemized deductions. 

Standard Deductions vs Itemized Deductions

In the United States, a standard deduction is given on federal taxes for most individuals. The amount of the federal standard deduction varies by year and is based on the taxpayer's filing characteristics. Each state sets its own tax law on standard deductions, with most states also offering a standard deduction at the state tax level. Taxpayers have the option to take a standard deduction or to itemize deductions. If a taxpayer chooses to itemize deductions, then deductions are only taken for any amount above the standard deduction limit.

Standard deductions are often the easiest route to choose, because there is no need to make a calculation — the amount is already set and determined. Itemized deductions require some calculation and work on the part of the tax filer. If you're married and are filing jointly, have several major expenses like a home, major medical expenses and put money into a retirement fund, then you may benefit from going through the itemized deductions route. According to the Internal Revenue Service (IRS), the following expenses qualify under the itemized deductions category:

  • Healthcare costs including medical and dental bills, prescription drugs
  • Property taxes 
  • Mortgage interest
  • Union fees
  • Home office and other job-related expenses

There are a number of common tax deductions and also many overlooked tax deductions at the federal and state tax level that taxpayers can utilize to lower their taxable income. Common tax deductions include charitable donations and fees related to tax preparation.

Some uncommon tax deductions include sales tax on personal property purchases and annual tax on personal property, such as a vehicle. Many expenses incurred throughout the year for personal and business reasons may also be eligible for itemized deductions, such as networking expenses, travel expenses, and some transportation expenses.

Things to Consider When Itemizing Deductions

It’s important to keep in mind that there may be certain limitations on what you can deduct each year to reduce your tax obligation to Uncle Sam. The IRS sets a threshold amount for many deductions that you should research before filing. For example, if you’re itemizing healthcare deductions, the threshold for any costs that were not reimbursed during the tax year (and that were paid for yourself, your spouse and dependents) has to exceed 10 percent of your adjusted gross income or they cannot be deducted. The threshold was changed for medical expenses in 2017 going forward for all taxpayers. Your accountant will be aware of these and any other thresholds, so if you’re using a tax professional, there should be no need to worry. 

Tax Loss Carryforward

One additional type of deduction not included in standard or itemized tax deductions is the deduction for capital losses. A tax loss carryforward is a legal means of rearranging earnings to the benefit of the taxpayer. Individual or business capital losses can be carried forward from previous years. Capital losses of $3,000 are allowed per year.

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