A business may be able to claim a federal income tax deduction for a theft loss. But does embezzlement count as theft? In most cases it does but you’ll have to substantiate the loss. A recent U.S. Tax Court decision illustrates how that’s sometimes difficult to do. Basic rules for theft losses  The tax code allows a deduction for losses sustained during the taxable year and not compensated by insurance or other means. The term “theft” is broadly defined to include larceny, embezzlement and robbery. In general, a loss is regarded as arising from theft only if there’s a criminal element to the appropriation of a taxpayer’s property. In order to claim a theft loss deduction, a taxpayer must prove: The amount of the loss, The date the...