Section 42a-9-327 - Priority of security interests in deposit accountThe following rules govern priority among conflicting security interests in the same deposit account:
(1) A security interest held by a secured party having control of the deposit account under section 42a-9-104 has priority over a conflicting security interest held by a secured party that does not have control.(2) Except as otherwise provided in subdivisions (3) and (4), security interests perfected by control under section 42a-9-314 rank according to priority in time of obtaining control.(3) Except as otherwise provided in subdivision (4), a security interest held by the bank with which the deposit account is maintained has priority over a conflicting security interest held by another secured party.(4) A security interest perfected by control under subdivision (3) of subsection (a) of section 42a-9-104 has priority over a security interest held by the bank with which the deposit account is maintained.Conn. Gen. Stat. § 42a-9-327