The Company shall reimburse Consultant for all reasonable out-of-pocket travel and other business expenses that are incurred in connection with the performance of the Services hereunder and pre-approved in writing by the Company and in accordance with the Company’s general policies (as may be amended from time to time). Reimbursement for air travel shall be limited to economy class for all flights, unless otherwise pre-approved in writing by the Company. Consultant shall submit written documentation itemizing all expenses, including copies of receipts substantiating the claimed expenses, with the bi-weekly invoices.