
LO 4.3:
Ascertain when a home office
deduction may be claimed and
how the deduction is computed.
A home office is generally not deductible. However, there are four exceptions to the general
rule.
A home office deduction is allowed if the home office is used on a regular basis
and exclusively as the taxpayer’s principal place of business. An employee may qualify
under this exception, provided the business use of his or her home office is for
‘‘the convenience of the employer’’ when the employer does not provide a regular
office.
A home office deduction is allowed if the home office is used exclusively and on a regular
basis by patients, clients, or customers in meetings or dealings with the taxpayer in the nor-
mal course of a trade or business.
The deduction of home office expenses is allowed if the home office is a separate structure
not attached to the dwelling unit and is used exclusively and on a regular basis in the tax-
payer’s trade or business.
A home office deduction of a portion of the cost of a dwelling unit is allowed if it is used
on a regular basis for the storage of business inventory or product samples.
The home office deduction is limited by the amount of net income from the associated
trade or business.
LO 4.4:
Determine the requirements for
claiming other common business
expenses such as entertainment,
education, uniforms, and business
gifts.
Self-employed taxpayers and employees are allowed deductions for 50 percent of the cost
of entertainment incurred in connection with their trade or business.
To be deductible, entertainment expenses must be (1) directly related to or (2) associated
with the active conduct of the taxpayer’s trade or business.
Expenses directly related to the taxpayer’s trade or business are costs related to an actual
business meeting, such as the expense of a sales luncheon where a salesperson is making
a sale to a client.
Expenses associated with the conduct of the taxpayer’s trade or business are generally
those expenses that serve a specific business purpose. The entertainment must take place
immediately before or after a bona fide business discussion.
To be deductible as a business expense, education expenditures must be paid to meet
the requirements of the taxpayer’s employer or the requirements of law or regulation
for keeping the taxpayer’s salary, status, or job, or the expenses must be paid to
maintain or improve existing skills required in performing the duties of the taxpayer’s
work.
Professionals may deduct dues and the cost of subscriptions and publications. Included are
items such as membership to the local bar for a lawyer, dues to the AICPA for an accoun-
tant, and the cost of subscriptions to any journal that is directly related to the taxpayer’s
profession.
In order to be deductible, clothing or uniforms must (1) be required as a condition of
employment and (2) not be suitable for everyday use.
Taxpayers are allowed a deduction for business gifts up to $25 per year per donee. For
purposes of this limitation, a husband and wife count as one donee, unless the husband
and wife both are clients.
To deduct entertainment expenses and business gifts, taxpayers must be able to substantiate
the deduction. The four items that must be substantiated are 1) amount of the expense,
2) time and place (entertainment) or date and description (gifts), 3) business purpose, and
4) business relationship.
LO 4.5:
Complete a basic Schedule C
(Profit or Loss from Business).
Taxpayers who operate a business or practice a profession as a sole proprietorship must file
a Schedule C (long form) or a Schedule C-EZ (short form) to report the net profit or loss
from the sole proprietorship.
If the taxpayer cannot meet the requirements for filing the simple Schedule C-EZ, then he
or she must file a standard Schedule C.
Schedule C filers such as sole proprietors and independent contractors with net earnings of
$400 or more must pay a self-employment tax calculated on Schedule SE with their Form
1040. See Chapter 9 for more detailed information.
Section 4.12
Hobby Losses 4-31
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