You can update your business information online or download a form to fill out and mail to the Department of Finance from their website.
New York State registration requirements include:
- Partnerships must register with the County Clerk's Office where the business is located.
- A sole proprietorship (under a name other than your own, such as a trade name or an assumed name or "doing business as") must register with the County Clerk's Office where the business is located.
- Corporations must register with the Secretary of State, Department of State, in Albany.
Federal Employer ID Number (EIN)
By federal law, corporations, partnerships, and certain sole proprietorships must have an Employer Identification Number (EIN) to use as a taxpayer identification number. No additional identifying number is required to do business in New York City; the EIN assigned by the IRS is accepted.
To apply for an EIN, use Federal Form SS-4, which is available online.
Visit the Department of Finance website.
Visit the Department of State's website.