If the corporation ceases to exist or leaves North Carolina during the tax year, fill in the appropriate circle. In order to receive the automatic state extension, you MUST fill in the "Federal Extension" circle on page 1 of Form CD-401S.Employers can deduct travel expenses paid or incurred during a temporary work assignment if the assignment length does not exceed one year. You can deduct a part of your medical and dental expenses, and amounts you paid for certain taxes, interest, contributions, and other expenses. This application must be filed with the Secretary of State. Business-related foreign travel expenses are tax deductible. However, because of the potential for abuse (e.g. North Carolina Industrial Commission. What is New Hire Reporting? As such, it's important that you maintain complete records of your income and expenses.