Conn. Gen. Stat. § 36a-434d: Notice to commissioner.

Each out-of-state trust company that maintains an office in this state pursuant to sections 36a-434a to 36a-434d, inclusive, shall give at least thirty days' prior written notice or, in the case of an emergency transaction, such shorter notice as is consistent with applicable state or federal law, to the commissioner of (1) any merger, consolidation, or other transaction that would cause a change of control with respect to such out-of-state trust company, (2) any transfer of all or substantially all of the trust accounts or trust assets of the out-of-state trust company to another person, or (3) the closing or disposition of any such office in this state.