Conn. Gen. Stat. § 42a-8-601: Savings clause.

(a) Public act 97-182* does not affect an action or proceeding commenced before October 1, 1997.

(b) If a security interest in a security is perfected as of October 1, 1997, and the action by which the security interest was perfected would suffice to perfect a security interest under public act 97-182*, no further action is required to continue perfection. If a security interest in a security is perfected as of October 1, 1997, but the action by which the security interest was perfected would not suffice to perfect a security interests under public act 97-182*, the security interest remains perfected for a period of four months after October 1, 1997, and continues perfected thereafter if appropriate action to perfect under public act 97-182* is taken within that period. If a security interest is perfected as of October 1, 1997, and the security interest can be perfected by filing under public act 97-182*, a financing statement signed by the secured party instead of the debtor may be filed within that period to continue perfection or thereafter to perfect.