Take on your out-of-town business trips. In order for a travel expense to qualify as "work-related," the expense must be reasonable, necessary, business-related, and take place away from home.Deductible travel expenses include costs related to transportation, lodging, meals, communications, and more. This section explores rules for travel payments. Generally, campaigns may pay for campaign-related travel as operating expenditures. Airline, train, or bus fares — This includes first-class. Individuals traveling on Authority business at Authority expense. Per diem rates look-up Allowances for lodging, meal and incidental costs while on official government travel. In no case, however, may campaign funds be used for non-travel expenses that are not related to official or campaign-related activity. Example. Request for Travel Authorization (RTA) must be submitted prior to the trip, even if you do not plan on requesting reimbursement.