Conn. Gen. Stat. § 9-19f: Out-of-town assistance permitted at admission sessions.

The registrar of voters or the deputy or any assistant registrar of voters of any town may, upon the request of the registrar of voters of any other town, assist such registrar or deputy or assistant registrar at any session for the admission of electors held pursuant to section 9-19b or subsection (a) of section 9-19c in the town in which the requesting registrar resides.