Some Massachusetts employee business expense deductions may only be claimed if the employee itemizes deductions for federal tax purposes. The employee must fill in the date of travel, the place where the travel started and the destination(s), and the reason for travel.Yes, Massachusetts employers must reimburse their employees for mileage and other transportation related expenses. If you're an employee whose travel expenses are reimbursed, these costs are not deductible on your personal tax return. If they lose a receipt, the expense can't be submitted and reimbursed. Now the employee is paying for business travel with personal money. . Alternatively, the employee may pay for the approved conference or meeting directly and be reimbursed after completing a Voucher. Business travel expenses can save you money at tax time! Learn about deductible travel expense rules and maximize your savings today. For federal employees, the Federal Travel Regulation (FTR) does not make a provision for "mixing and matching" reimbursement rates.