Form a corporation, limited liability company (LLCs), limited partnership or more and do business in New York State. To file for a new business registration, you will need to submit the appropriate business forms: To file as a single proprietor, the Blumberg form is X201.Find out what takes place in the formation of a corporation and the resulting tax responsibilities and required forms. Intheblanks form required for any matter originating and electronically filed in Supreme or Surrogate's Courts in Richmond County. Welcome to the online forms section of the Kings County Assessor's website containing blank forms for printing. The business structure you choose influences everything from daytoday operations, to taxes and how much of your personal assets are at risk. Terms: Corporation: A corporation is an independent legal entity that is separate and distinct from the individuals who own and operate the company.