Employers can deduct travel expenses paid or incurred during a temporary work assignment if the assignment length does not exceed one year. Good news: most of the regular costs of business travel are tax deductible.Guidance on allowable rates, including high-cost cities, can be found in Procedure 1502.1. Save itemized receipt "Folio" and submit when trip is completed. Business owners are permitted to deduct reasonable costs for travel when the travel is ordinary and necessary in the course of their business. The Travel Expense Reimbursement form must be used to reimburse employees, non-employees, and board members for business trips. Is it possible to turn nondeductible personal travel expenses into tax deductible business travel expenses? Her travel expenses pursuant to the terms of the Travel Policies for State Employees.