Completing Form T2125. Line 9200 – Travel expenses.For BUSINESS EXPENSES (including local transportation) the ARC Invoice Number format is PEMMDDYY and refers to the LAST DATE OF EXPENSE (Period End date). Your travel days are going to be deductible if you meet that primary purpose being business so you can see how you can structure this trip. This form is for general instructions that apply to all corporation tax forms. It includes a variety of topics about how to fill out your form. Those who are selfemployed can deduct travel expenses on Schedule C (Form 1040), Profit or Loss From Business (Sole Proprietorship). A list of deductible business expenses as well as their explanation for use on Form T2125. If you are conducting business in New York State, you should be aware that you are required to pay state and local sales and use taxes in the following.