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IRS.gov Website
Publication 463
taxmap/pubs/p463-012.htm#en_us_publink100034064

Chapter 5
Recordkeeping(p25)

If you deduct travel, entertainment, gift, or transportation expenses, you must be able to prove (substantiate) certain elements of expense. This chapter discusses the records you need to keep to prove these expenses.
Where Refund
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 in chapter 6 under Reimbursements.
taxmap/pubs/p463-012.htm#en_us_publink100034066

How To Prove Expenses(p25)

rule
Table 5-1 is a summary of records you need to prove each expense discussed in this publication. 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.
EIC
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/pubs/p463-012.htm#en_us_publink100034069

What Are Adequate Records?(p25)

rule
You should keep the proof you need in an account book, diary, log, statement of expense, trip sheets, or similar record. You should also keep documentary evidence that, together with your record, will support each element of an expense.
taxmap/pubs/p463-012.htm#en_us_publink100034070

Documentary evidence.(p25)

rule
You generally must have documentary evidence, such as receipts, canceled checks, or bills, to support your expenses.
taxmap/pubs/p463-012.htm#en_us_publink100034071
Exception.(p25)
Documentary evidence is not needed if any of the following conditions apply.
taxmap/pubs/p463-012.htm#en_us_publink100034072
Adequate evidence.(p25)
Documentary 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.
A restaurant receipt is enough to prove an expense for a business meal if it has all of the following information. If a charge is made for items other than food and beverages, the receipt must show that this is the case.
taxmap/pubs/p463-012.htm#en_us_publink100034073
Canceled check.(p25)
A 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/pubs/p463-012.htm#en_us_publink100034074

Duplicate information.(p25)

rule
You 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/pubs/p463-012.htm#en_us_publink100034075

Timely-kept records.(p25)

rule
You 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 that 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, log, statement of expense, trip sheets, or similar record.
taxmap/pubs/p463-012.htm#en_us_publink100034076

Proving business purpose.(p26)

rule
You 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/pubs/p463-012.htm#en_us_publink100034077

Example.(p26)

If you are a sales representative who calls on customers on an established sales route, you do not have to give a written explanation of the business purpose for traveling that route. You can satisfy the requirements by recording the length of the delivery route once, the date of each trip at or near the time of the trips, and the total miles you drove the car during the tax year. You could also establish the date of each trip with a receipt, record of delivery, or other documentary evidence.
taxmap/pubs/p463-012.htm#en_us_publink100034078

Confidential information.(p26)

rule
You 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/pubs/p463-012.htm#en_us_publink100034079

What If I Have Incomplete Records?(p26)

rule
If you do not have complete records to prove an element of an expense, then you must prove the element with:
If the element is the description of a gift, or the cost, time, place, or date of an expense, the supporting evidence must be either direct evidence or documentary evidence. Direct evidence can be written statements or the oral testimony of your guests or other witnesses setting forth detailed information about the element. Documentary evidence can be receipts, paid bills, or similar evidence.
If the element is either the business relationship of your guests or the business purpose of the amount spent, the supporting evidence can be circumstantial rather than direct. For example, the nature of your work, such as making deliveries, provides circumstantial evidence of the use of your car for business purposes. Invoices of deliveries establish when you used the car for business.
taxmap/pubs/p463-012.htm#en_us_publink1000134621

Table 5-1. How To Prove Certain Business Expenses

IF you have expenses for . .THEN you must keep records that show details of the following elements . . .
 AmountTimePlace or
Description
Business Purpose
Business Relationship
TravelCost of each separate expense for travel, lodging, and meals. Incidental expenses may be totaled in reasonable categories such as taxis, fees and tips, etc. Dates you left and returned for each trip and number of days spent on business.Destination or area of your travel (name of city, town, or other designation).Purpose: Business purpose for the expense or the business benefit gained or expected to be gained.

Relationship: N/A
EntertainmentCost of each separate expense. Incidental expenses such as taxis, telephones, etc., may be totaled on a daily basis.Date of entertainment. (Also see Business Purpose.) Name and address or location of place of entertainment. Type of entertainment if not otherwise apparent. (Also see Business Purpose.) Purpose: Business purpose for the expense or the business benefit gained or expected to be gained.
For entertainment, the nature of the business discussion or activity. If the entertainment was directly before or after a business discussion: the date, place, nature, and duration of the business discussion, and the identities of the persons who took part in both the business discussion and the entertainment activity.

Relationship: Occupations or other information (such as names, titles, or other designations) about the recipients that shows their business relationship to you.
For entertainment, you must also prove that you or your employee was present if the entertainment was a business meal.
GiftsCost of the gift.Date of the gift.Description of the gift. 
TransportationCost of each separate expense. For car expenses, the cost of the car and any improvements, the date you started using it for business, the mileage for each business use, and the total miles for the year. Date of the expense. For car expenses, the date of the use of the car.Your business destination.Purpose: Business purpose for the expense.

Relationship: N/A
taxmap/pubs/p463-012.htm#en_us_publink100034080

Sampling.(p27)

rule
You can keep an adequate record for parts of a tax year and use that record to prove the amount of business or investment use for the entire year. You must demonstrate by other evidence that the periods for which an adequate record is kept are representative of the use throughout the tax year.
taxmap/pubs/p463-012.htm#en_us_publink100034081

Example.(p27)

You use your car to visit the offices of clients, meet with suppliers and other subcontractors, and pick up and deliver items to clients. There is no other business use of the car, but you and your family use the car for personal purposes. You keep adequate records during the first week of each month that show that 75% of the use of the car is for business. Invoices and bills show that your business use continues at the same rate during the later weeks of each month. Your weekly records are representative of the use of the car each month and are sufficient evidence to support the percentage of business use for the year.
taxmap/pubs/p463-012.htm#en_us_publink100034082

Exceptional circumstances.(p27)

rule
You can satisfy the substantiation requirements with other evidence if, because of the nature of the situation in which an expense is made, you cannot get a receipt. This applies if all the following are true.
taxmap/pubs/p463-012.htm#en_us_publink100034083

Destroyed records.(p27)

rule
If 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 casualties.
taxmap/pubs/p463-012.htm#en_us_publink10004830

Table 5-2. Daily Business Mileage and Expense Log      Name:

   Odometer ReadingsExpenses
DateDestination
(City, Town, or Area)
Business Purpose Start StopMiles
this trip
Type
(Gas, oil, tolls, etc.)
Amount
        
        
        
        
        
        
        
 Weekly
Total
      
Total
Year-to-Date
      
taxmap/pubs/p463-012.htm#en_us_publink100034084

Separating and Combining Expenses(p27)

rule
This section explains when expenses must be kept separate and when expenses can be combined.
taxmap/pubs/p463-012.htm#en_us_publink100034085

Separating expenses.(p27)

rule
Each 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/pubs/p463-012.htm#en_us_publink100034086
Season or series tickets.(p27)
If you buy season or series tickets for business use, you must treat each ticket in the series as a separate item. To determine the cost of individual tickets, divide the total cost (but not more than face value) by the number of games or performances in the series. You must keep records to show whether you use each ticket as a gift or entertainment. Also, you must be able to prove the cost of nonluxury box seat tickets if you rent a skybox or other private luxury box for more than one event. See Entertainment tickets in chapter 2.
taxmap/pubs/p463-012.htm#en_us_publink100034087

Combining items.(p27)

rule
You 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/pubs/p463-012.htm#en_us_publink100034088
Car expenses.(p27)
You can account for several uses of your car that can be considered part of a single use, such as a round trip or uninterrupted business use, with a single record. Minimal personal use, such as a stop for lunch on the way between two business stops, is not an interruption of business use.
taxmap/pubs/p463-012.htm#en_us_publink100034089

Example.(p27)

You make deliveries at several different locations on a route that begins and ends at your employer's business premises and that includes a stop at the business premises between two deliveries. You can account for these using a single record of miles driven.
taxmap/pubs/p463-012.htm#en_us_publink100034090
Gift expenses.(p27)
You do not always have to record the name of each recipient of a gift. A general listing will be enough if it is evident that you are not trying to avoid the $25 annual limit on the amount you can deduct for gifts to any one person. For example, if you buy a large number of tickets to local high school basketball games and give one or two tickets to each of many customers, it is usually enough to record a general description of the recipients.
taxmap/pubs/p463-012.htm#en_us_publink100034091

Allocating total cost.(p27)

rule
If 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. To do so, you must establish the number of persons who participated in the event.
An allocation would be needed, for example, if you did not have a business relationship with all of your guests. See Allocating between business and nonbusiness in chapter 2.
taxmap/pubs/p463-012.htm#en_us_publink100034092

If your return is examined.(p27)

rule
If 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/pubs/p463-012.htm#en_us_publink10004831

THIS IS NOT AN OFFICIAL INTERNAL REVENUE FORM

Table 5-3. Weekly Traveling Expense and Entertainment Record

From:               To:              Name:

ExpensesSundayMondayTuesdayWednesdayThursdayFridaySaturdayTotal
1. Travel Expenses:
  Airlines
                
  Excess Baggage                
  Bus – Train                
  Cab and Limousine                
  Tips                
  Porter                
2.  Meals and Lodging:
  Breakfast
                
   Lunch                
   Dinner                
   Hotel and Motel
  (Detail in Schedule B)
                
3.  Entertainment
  (Detail in Schedule C)
                
4. Other Expenses:
  Postage
                
  Telephone & Telegraph                
  Stationery & Printing                
  Stenographer                
  Sample Room                
  Advertising                
  Assistant(s)                
  Trade Shows                
5. Car Expenses: (List all car expenses - the division between business and personal expenses may be made at the end of the year.)
  (Detail mileage in Schedule A.)
  Gas, oil, lube, wash                
  Repairs, parts                
  Tires, supplies                
  Parking fees, tolls                
6. Other (Identify)                 
Total                
Note: Attach receipted bills for (1) ALL lodging and (2) any other expenses of $75.00 or more.
Schedule A – Car
  Mileage: End         
  Start        
  Total        
Business Mileage        
Schedule B – Lodging
Hotel or MotelName        
City        
Schedule C – Entertainment
DateItemPlaceAmountBusiness PurposeBusiness Relationship
      
      
      
 WEEKLY REIMBURSEMENTS: 
 Travel and transportation expenses
 Other reimbursements
 TOTAL
taxmap/pubs/p463-012.htm#en_us_publink100034093

How Long To Keep
Records and Receipts(p27)

rule
You 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 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 of how long to keep records, see Publication 583, Starting a Business and Keeping Records.
You must keep records of the business use of your car for each year of the recovery period. See More-than-50%-use test in chapter 4 under Depreciation Deduction.
taxmap/pubs/p463-012.htm#en_us_publink100034094

Reimbursed for expenses.(p29)

rule
Employees 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. Reimbursements, adequate accounting, and nonaccountable plans are discussed in chapter 6.
taxmap/pubs/p463-012.htm#en_us_publink100034095

Examples of Records(p29)

rule
Table 5-2 and Table 5-3 are examples of worksheets which can be used for tracking business expenses.