In order to receive the automatic state extension, you MUST fill in the "Federal Extension" circle on page 1 of Form CD-401S. If the corporation ceases to exist or leaves North Carolina during the tax year, fill in the appropriate circle.Your corporation's name must contain the words "incorporated," "corporation," "company" or "limited," or the abbreviations "inc. Though no NCSOS filing is required to conduct business as an individual, there may be a requirement in some cities and counties to apply for a business license. The Secretary of State's website provides a fill-in-the-blank form for articles of incorporation, with instructions. The two professional entities registered through Chapter 55B are the Professional Corporation or Professional Association and the Professional LLC. You can register an NC Corporation online or the articles can be mailed to the office of the Secretary of State.