Conn. Gen. Stat. § 7-148rr

(b) Any appointment that a municipality is authorized or required by law to make on its own behalf with respect to a municipal function may be made by a regional council of governments or jointly with one or more other municipalities pursuant to an interlocal agreement for the joint performance of municipal functions pursuant to section 7-148cc or an agreement for regional services pursuant to section 8-31b . Such appointment shall pertain jointly to each municipality that is a party to such agreement and be in lieu of any individual appointment by any such municipality. The provisions of this subsection shall supersede any provision of the general statutes or any special act, charter, special act charter, home rule ordinance or local law that would prohibit or limit the ability to make such joint appointments, including, but not limited to, any provision that (1) prohibits a municipality from entering into an agreement for shared services, (2) requires an appointee to fulfill such appointee's duties to the exclusion of other employment, (3) requires an appointee to reside within a particular municipality, or (4) requires a municipality to make an individual appointment.

(c) For the purposes of this section, a municipal function shall include, but not be limited to, administrative and regulatory activities described in chapters 93, 96a and 100, sections 7-148b , 7-148g , 7-148p , 8-3 , 12-136 , 22-331 , 22-340 , 22a-36 to 22a-45 , inclusive, and 29-251 to 29-371 , inclusive, and planning activities described in sections 8-23 , 8-30j and 19a-181b .

(d) The Secretary of the Office of Policy and Management may adopt regulations in accordance with the provisions of chapter 54 to implement the provisions of this section.