Conn. Gen. Stat. § 7-4: Record of warning.

The person who posts, causes to be published or in any other manner gives notice of the warning for any meeting of a town, city, borough, school district or other public community or of an ecclesiastical society shall make return, in writing, to the person whose duty it is to keep a record of such meeting, showing the notice given of such warning, and such return shall be kept on file and recorded at length with the warning or doings of such meeting.