This form is not required to complete your expense report but your agency may request it. Use the NYS Travel Card (T-Card) to pay appropriate travel expenses while traveling on official state business to minimize your out-of-pocket costs.Travel expenses are the ordinary and necessary expenses of traveling away from home for your business, profession, or job. This guide takes the top corporate travel expense questions and answers them for you. A calendar year taxpayer will deduct expenses in the year the expense is paid if the expense does not have a useful life beyond 12 months. Renting a car for business travel is another deductible expense. What are taxdeductible travel expenses? When you're self-employed, the costs of traveling for business can add up quite a bit. Unfortunately, the cost of transport, lodgings, and meals adds up. Confused about tax deductions?