Publication 17
taxmap/pub17/p17-145.htm#en_us_publink1000173853If you deduct travel, entertainment, gift, or transportation
expenses, you must be able to prove (substantiate) certain elements of the
expense. This section discusses the records you need to keep to prove these
expenses.
 | If you keep timely and accurate records, you will have support
to show the IRS if your tax return is ever examined. You will also have proof of
expenses that your employer may require if you are reimbursed under an
accountable plan. These plans are discussed later under
Reimbursements. |
taxmap/pub17/p17-145.htm#en_us_publink1000173856
Table 26-2
is a summary of records you need to prove each expense discussed in this
chapter. You must be able to prove the elements listed across the top portion of
the chart. You prove them by having the information and receipts (where needed)
for the expenses listed in the first column.
 | You cannot deduct amounts that you approximate or estimate. |
You should keep adequate records to prove your expenses or have
sufficient evidence that will support your own statement. You must generally
prepare a written record for it to be considered adequate. This is because
written evidence is more reliable than oral evidence alone. However, if you
prepare a record on a computer it is considered an adequate record.
taxmap/pub17/p17-145.htm#en_us_publink1000173858You should keep the proof you need in an account book, diary,
statement of expense, or similar record. You should also keep documentary
evidence that, together with your records, will support each element of an
expense.
taxmap/pub17/p17-145.htm#en_us_publink1000173859You generally must have documentary evidence, such as receipts,
canceled checks, or bills, to support your expenses.
taxmap/pub17/p17-145.htm#en_us_publink1000173860Documentary evidence is not needed if any of the following conditions
apply.
- You have meals or lodging expenses while traveling away from
home for which you account to your employer under an accountable plan and you
use a per diem allowance method that includes meals and/or lodging. (Accountable
plans and per diem allowances are discussed later under
Reimbursements.)
- Your expense, other than lodging, is less than $75.
- You have a transportation expense for which a receipt is not
readily available.
taxmap/pub17/p17-145.htm#en_us_publink1000173862Documentary evidence ordinarily will be considered adequate if
it shows the amount, date, place, and essential character of the expense.
For example, a hotel receipt is enough to support expenses for
business travel if it has all of the following information.
- The name and location of the hotel.
- The dates you stayed there.
- Separate amounts for charges such as lodging, meals, and telephone
calls.
A restaurant receipt is enough to prove an expense for a business meal if it has
all of the following information.
- The name and location of the restaurant.
- The number of people served.
- The date and amount of the expense.
If a charge is made for items other than food and beverages,
the receipt must show that this is the case.
taxmap/pub17/p17-145.htm#en_us_publink1000173863A canceled check, together with a bill from the payee, ordinarily
establishes the cost. However, a canceled check by itself does not prove a
business expense without other evidence to show that it was for a business
purpose.
taxmap/pub17/p17-145.htm#en_us_publink1000173864You do not have to record information in your account book or
other record that duplicates information shown on a receipt as long as your
records and receipts complement each other in an orderly manner.
You do not have to record amounts your employer pays directly
for any ticket or other travel item. However, if you charge these items to your
employer, through a credit card or otherwise, you must keep a record of the
amounts you spend.
taxmap/pub17/p17-145.htm#en_us_publink1000173865You should record the elements of an expense or of a business
use at or near the time of the expense or use and support it with sufficient
documentary evidence. A timely-kept record has more value than a statement
prepared later when generally there is a lack of accurate recall.
You do not need to write down the elements of every expense on
the day of the expense. If you maintain a log on a weekly basis which accounts
for use during the week, the log is considered a timely-kept record.
If you give your employer, client, or customer an expense account
statement, it can also be considered a timely-kept record. This is true if you
copy it from your account book, diary, statement of expense, or similar record.
taxmap/pub17/p17-145.htm#en_us_publink1000173866You must generally provide a written statement of the business
purpose of an expense. However, the degree of proof varies according to the
circumstances in each case. If the business purpose of an expense is clear from
the surrounding circumstances, then you do not need to give a written
explanation.
taxmap/pub17/p17-145.htm#en_us_publink1000173867You do not need to put confidential information relating to an
element of a deductible expense (such as the place, business purpose, or
business relationship) in your account book, diary, or other record. However,
you do have to record the information elsewhere at or near the time of the
expense and have it available to fully prove that element of the expense.
taxmap/pub17/p17-145.htm#en_us_publink1000173868If you do not have complete records to prove an element of an
expense, then you must prove the element with:
- Your own written or oral statement, containing specific information
about the element, and
- Other supporting evidence that is sufficient to establish
the element.
taxmap/pub17/p17-145.htm#en_us_publink1000173869If you cannot produce a receipt because of reasons beyond your
control, you can prove a deduction by reconstructing your records or expenses.
Reasons beyond your control include fire, flood, and other casualty.
taxmap/pub17/p17-145.htm#en_us_publink1000173870This section explains when expenses must be kept separate and
when expenses can be combined.
taxmap/pub17/p17-145.htm#en_us_publink1000173871Each separate payment is generally considered a separate expense.
For example, if you entertain a customer or client at dinner and then go to the
theater, the dinner expense and the cost of the theater tickets are two separate
expenses. You must record them separately in your records.
taxmap/pub17/p17-145.htm#en_us_publink1000173872You can make one daily entry in your record for reasonable categories
of expenses. Examples are taxi fares, telephone calls, or other incidental
travel costs. Meals should be in a separate category. You can include tips for
meal-related services with the costs of the meals.
Expenses of a similar nature occurring during the course of a
single event are considered a single expense. For example, if during
entertainment at a cocktail lounge, you pay separately for each serving of
refreshments, the total expense for the refreshments is treated as a single
expense.
taxmap/pub17/p17-145.htm#en_us_publink1000173873If you can prove the total cost of travel or entertainment but
you cannot prove how much it cost for each person who participated in the event,
you may have to allocate the total cost among you and your guests on a pro rata
basis. An allocation would be needed, for example, if you did not have a
business relationship with all of your guests.
taxmap/pub17/p17-145.htm#en_us_publink1000173874If your return is examined, you may have to provide additional
information to the IRS. This information could be needed to clarify or to
establish the accuracy or reliability of information contained in your records,
statements, testimony, or documentary evidence before a deduction is allowed.
taxmap/pub17/p17-145.htm#en_us_publink1000173875You must keep records as long as they may be needed for the administration
of any provision of the Internal Revenue Code. Generally, this means you must
keep your records that support your deduction (or an item of income) for 3 years
from the date you file the income tax return on which the deduction is claimed.
A return filed early is considered filed on the due date. For a more complete
explanation, see Publication 583, Starting a Business and Keeping Records.
taxmap/pub17/p17-145.htm#en_us_publink1000173876Employees who give their records and documentation to their employers
and are reimbursed for their expenses generally do not have to keep copies of
this information. However, you may have to prove your expenses if any of the
following conditions apply.
- You claim deductions for expenses that are more than reimbursements.
- Your expenses are reimbursed under a nonaccountable plan.
- Your employer does not use adequate accounting procedures
to verify expense accounts.
- You are related to your employer, as defined later under
Related to employer.
See the next section,
How To Report, for a discussion of reimbursements, adequate accounting, and
nonaccountable plans.
taxmap/pub17/p17-145.htm#en_us_publink1000173879Chapter 5 of Publication 463 has more information on recordkeeping,
including examples.