Conn. Gen. Stat. § 52-336: Service on disbursing agent or paymaster of garnishee.

When any corporation having a disbursing agent or paymaster, with an office or place of business in this state, is named as garnishee, service may be made on it by leaving with such agent or paymaster, or at his office or place of business, or at his usual place of abode, an attested copy of the process in such action, at least twelve days before the return day thereof.