First, you need to find out the travel policies and procedures from HR or accounts payable. If the travel is primarily for business reasons, then travel expenses would be deductible.An electronic signature is acceptable. Business travel expenses can save you money at tax time! Learn about deductible travel expense rules and maximize your savings today. Employers can deduct travel expenses paid or incurred during a temporary work assignment if the assignment length does not exceed one year. When is a business trip considered deductible? Submit itemized receipts for hotel, public transportation fares, parking, mileage logs and other incidentals. Receipts are required for actual lodging expenses, as outlined in the Receipts section. You or your delegate will create an Expense Report in Concur using the information and receipts provided.