Jurisdictional Tax Parameters
Use this form to amend the registration details of your Connecticut sole proprietorship, such as business name or address.
Official State Document Mirror
Clicking download will instantly open the live application form hosted on the official government registry server.
Filing Authority Mapping
Update your business information by filing an amendment form with the Secretary of the State.
- Provide current registration details.
- List changes such as name or address.
- Mail with $20 fee or file online.
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