Employers can deduct travel expenses paid or incurred during a temporary work assignment if the assignment length does not exceed one year. The purpose of this section is to provide statements of policy to give the UNC System Office a comprehensive reference of uniform interpretation for payment or.Travel expenses are the ordinary and necessary expenses of traveling away from home for your business, profession, or job. Purpose: To provide guidelines for North Carolina Office of the Commissioner of. Banks (NCCOB) employees regarding travel procedures. Please be sure to only request reimbursement for your Business Travel expenses on the Expense Report in Concur. The Travel Expense Reimbursement form must be used to reimburse employees, non-employees, and board members for business trips. Travel expense reimbursement is when an employer reimburses its employees for business travel expenses. University of North Carolina System Office. Raleigh, North Carolina.