Conn. Gen. Stat. § 9-322a

(b) Not later than twenty-one days following each regular state election, the town clerk of each town divided into voting districts shall file with the Secretary of the State a consolidated listing, in tabular format, as prescribed by the Secretary of the State, of the official returns of each such voting district for all offices voted on at such election, including the total number of votes cast for each candidate, the total number of names on the registry list, and the total number of names checked as having voted, in each such district. The town clerk of such town shall certify that he or she has examined the lists transmitted under this section to determine whether there are any discrepancies between the total number of votes cast for a candidate at such election in such town, including for any recanvass conducted pursuant to section 9-311 or 9-311a , and the sum of the votes cast for the same candidate in all voting districts in such town. In the case of any such discrepancy, the town clerk shall notify the head moderator and certify that such discrepancy has been rectified. Each listing filed under this section shall be retained by the Secretary of the State not less than ten years after the date of the election for which it was filed.