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.Instead, they should file a business certificate with the county clerk in their county or borough. Click the following link for information on this requirement. Ready to file your business registration? We help you decide which entity (LLC, S-Corp, C-Corp) will best serve your needs. Kings Business is a business intermediary and consulting firm based in Preston, United Kingdom. This page give you the Minimum Requirements For Recordable Documents.