Taxpayers are able to deduct eligible travel expenses on their return, allowing for an additional tax savings at the state level. Within ten working days after the completion of a trip complete a Travel Expense Report, itemizing expenses and per diem claims for each day.The actual costs of travel (for example, plane fare and cabs to the airport) are deductible for outoftown business trips. Purpose: Record expenses related to Travel for the State of Arizona. Meal expenses will be taxable income if there is no qualifying overnight stay. If you're traveling specifically for business purposes, there's a good chance your expenses are tax deductible. Meal expenses will be taxable income if there is no qualifying overnight stay. You can deduct travel expenses if they are ordinary (common and accepted in your business) and necessary (helpful and appropriate for your business). Otherwise, parts of the business trip won't be reimbursable, and you or the employee will be out of that money. Who will obtain approval from the State of Arizona Comptroller.