There are 2 ways to create a travel request: from the Concur home page or from the Manage Requests screen. Travel expenses must be documented with receipts.Business travel is tax deductible! Every dollar you spend on travel related to your business may help you legally save on taxes. Per diem is an allowance for lodging, meals, and incidental expenses. The US General Services Administration (GSA) establishes the per diem reimbursement rates. Where should the reimbursement be charged to (provide 5 or 8 digit number): Per Diem You can attach a detailed itinerary or complete the fields below. This program will explain the new rules for deducting travel, meals and entertainment expenses and the TCJA disallowance of business entertainment expenses. Please enter expenses in the correct category. If you make a layover in another city for personal reasons, you cannot deduct those related travel expenses.