Conn. Gen. Stat. § 34-275h: Withdrawal of registration of registered foreign limited liability company.

(a) A registered foreign limited liability company may withdraw its registration by delivering a certificate of withdrawal of registration to the Secretary of the State for filing. The certificate of withdrawal of registration must state: (1) The name of the company and its governing jurisdiction; (2) that the company is not transacting business in this state and that it withdraws its registration to transact business in this state; (3) that the company revokes the authority of its registered agent to accept service on its behalf in this state; (4) that the company surrenders its authority to transact business in this state; and (5) an address to which service of process may be made under subsection (b) of this section.

(b) After the withdrawal of the registration of a foreign limited liability company, service of process in any action or proceeding based on a cause of action arising during the time the company was registered to transact business in this state may be made pursuant to section 34-243r.