The purpose of this policy is to provide guidelines to govern the travel of all DFS employees on. Commonwealth business.Business travel is tax deductible! Every dollar you spend on travel related to your business may help you legally save on taxes. Traveling to Massachusetts for work? Our per diem calculator tells you exactly how much you can spend daily on your business trip. When travelling for business purposes, not only the transporation portion is deductible, but also lodging while away as well as meals. Those who are selfemployed can deduct travel expenses on Schedule C (Form 1040), Profit or Loss From Business (Sole Proprietorship). Yes, Massachusetts employers must reimburse their employees for mileage and other transportation related expenses. It appears that one approach may be to reimburse travel expenses for fully remote employees coming to the office on occasion as needed.