Expense Account

account or list of expenses incurred in doing business outside of the office, account of expenses reimbursable to an employee

An expense account is the right to reimbursement of money spent by employees for work-related purposes. Expense accounts are regulated by the Internal Revenue Service of the United States Government and by internal auditors for many employers.
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Noun
1. an account to which salespersons or executives can charge travel and entertainment expenses
(synonym) travel and entertainment account
(hypernym) account, accounting, account statement

a budgeted amount of money advanced to a salesperson for food, travel, accommodation, entertainment of clients, and other items of expenditure considered necessary to make sales.