The types of expenses you need to record, along with supporting documentation, are described in Table 5-1 (see chapter 5).taxmap/pubs/p463-003.htm#en_us_publink100033775Separating costs.(p4)If you have one expense that includes the costs of meals, entertainment, and other services (such as lodging or transportation), you must allocate that expense between the cost of meals and entertainment and th