Conn. Gen. Stat. § 9-466: Announcement of candidate list.

The Secretary shall, at ten o'clock a.m. on the seventy-fourth day preceding the day of the primary, publicly announce a list of candidates whose names are to be placed on the ballot of each party at such primary pursuant to subsection (a) of section 9-465. Forthwith upon announcing such list, said Secretary shall notify each such candidate, by registered mail with return receipt requested, that his name will be included on the ballot unless he files with the Secretary, not later than twelve o'clock p.m. of the thirty-sixth day before the primary, a written request, signed by the candidate, to the following effect: “I request that my name be omitted from the ballot at Connecticut's forthcoming .... (name of party) presidential preference primary”. The name of any candidate who files a request as provided by this section, within the time specified, shall be omitted from the ballot, but no such withdrawal shall be honored if it is received later than the time specified by this section.