Costs shall not be taxed, without the written consent of the defendant, for service by an indifferent person of process commencing a civil action, if the court before which it is returnable finds that no sufficient reason existed for the deputation of an indifferent person to serve the process.
Conn. Gen. Stat. § 52-246
(1949 Rev., S. 7991; P.A. 82-160, S. 120.)