The Connecticut Application For Amended Certificate of Authority (Foreign Corp) is an official document used by foreign companies wishing to register to do business in the state of Connecticut. This document must be completed and submitted to the Connecticut Secretary of State's office. It is used to amend any previously filed Certificate of Authority, including changes to the company name, registered agent, or address. Depending on the circumstances, there are two different types of Connecticut Application For Amended Certificate of Authority (Foreign Corp): the Amendment of Certificate of Authority and the Application to Amend Certificate of Authority. The Amendment of Certificate of Authority is used to make changes to already existing information, while the Application to Amend Certificate of Authority is used to make changes to information that has been previously filed but not yet approved. Both documents must be signed by a registered agent, and all required fees must be paid in order for the application to be processed.