A write-off is a reduction of the recognized value of something. In accounting, this is a recognition of the reduced or zero value of an asset. In income tax statements, this is a reduction of taxable income, as a recognition of certain expenses required to produce the income.

What are considered write-offs?

A write-off is a business expense that is deducted for tax purposes. ... The cost of these items is deducted from revenue in order to decrease the total taxable revenue. Examples of write-offs include vehicle expenses and rent or mortgage payments, according to the IRS.

How do write-offs work?

A tax deduction (or “tax write-off”) is an expense that you can deduct from your taxable income. You take the amount of the expense and subtract that from your taxable income. Essentially, tax write-offs allow you to pay a smaller tax bill. But the expense has to fit the IRS criteria of a tax deduction.