Publication 535
taxmap/pubs/p535-002.htm#en_us_publink1000208626You can deduct the cost of a business expense if it meets the
criteria of ordinary and necessary and it is not a capital expense.
taxmap/pubs/p535-002.htm#en_us_publink1000208627If you recover part of an expense in the same tax year in which
you would have claimed a deduction, reduce your current year expense by the
amount of the recovery. If you have a recovery in a later year, include the
recovered amount in income in that year. However, if part of the deduction for
the expense did not reduce your tax, you do not have to include that part of the
recovered amount in income.
For more information on recoveries and the tax benefit rule,
see Publication 525.
taxmap/pubs/p535-002.htm#en_us_publink1000208628If you provide services to pay a business expense, the amount
you can deduct is limited to your out-of-pocket costs. You cannot deduct the
cost of your own labor.
Similarly, if you pay a business expense in goods or other property,
you can deduct only what the property costs you. If these costs are included in
the cost of goods sold, do not deduct them as a business expense.
taxmap/pubs/p535-002.htm#en_us_publink1000208629If your deductions for an investment or business activity are
more than the income it brings in, you have a loss. There may be limits on how
much of the loss you can deduct.
taxmap/pubs/p535-002.htm#en_us_publink1000208630If you carry on your business activity without the intention
of making a profit, you cannot use a loss from it to offset other income. See
Not-for-Profit Activities later.
taxmap/pubs/p535-002.htm#en_us_publink1000208631Generally, a deductible loss from a trade or business or other
income-producing activity is limited to the investment you have "at risk" in the
activity. You are at risk in any activity for the following.
- The money and adjusted basis of property you contribute to
the activity.
- Amounts you borrow for use in the activity if:
- You are personally liable for repayment, or
- You pledge property (other than property used in the activity)
as security for the loan.
For more information, see Publication 925.
taxmap/pubs/p535-002.htm#en_us_publink1000208632Generally, you are in a passive activity if you have a trade
or business activity in which you do not materially participate, or a rental
activity. In general, deductions for losses from passive activities only offset
income from passive activities. You cannot use any excess deductions to offset
other income. In addition, passive activity credits can only offset the tax on
net passive income. Any excess loss or credits are carried over to later years.
Suspended passive losses are fully deductible in the year you completely dispose
of the activity. For more information, see Publication 925.
taxmap/pubs/p535-002.htm#en_us_publink1000208633If your deductions are more than your income for the year, you
may have a "net operating loss." You can use a net operating loss to lower your
taxes in other years. See Publication 536 for more information.
See Publication 542 for information about net operating losses
of corporations.