No expenses can be claimed without Receipt. Else the Amount reimbursed, technically is taxable.Under California labor laws, you are entitled to reimbursement for travel expenses or losses directly related to your job. Apply for a New Business Tax Certificate online or at the Business Tax Office. Refundable business registration fee plus special fees. Learn how to write off your travel expenses as a business. There are no exceptions to the requirements listed above. Auditors expect to see receipts to support the payment of a business expense. You return to Chicago every weekend. You may not deduct any of your travel, meals or lodging in Milwaukee because that's your tax home.