Which documentation is crucial for supporting travel reimbursements?

Travel itineraries, invoices, and receipts are essential documentation for supporting travel reimbursements because they provide verifiable proof of the expenses incurred during travel. Travel itineraries outline the booked travel arrangements, including departure and arrival times, routes, and accommodations. Invoices serve as formal requests for payment and detail the costs associated with services rendered, such as lodging, transportation, and meals. Receipts are vital as they confirm that the actual expenditure was made, validating the reimbursement claims made by the traveler.

Having this documentation allows for an accurate and transparent reimbursement process, ensuring that all claimed expenses are accounted for and meet the requirements set by the organization. Proper documentation helps maintain financial integrity and supports efficient auditing processes, should any discrepancies arise later.