Connecticut General Statutes Title 9. Elections § 9-415. When primary required

(a) If a candidacy for nomination by a political party to a state office is filed by or on behalf of any person other than a party-endorsed candidate within the time specified in subsection (a) of section 9-400 and in conformity with the provisions of section 9-400, a primary shall be held in each municipality of the state to determine the nominee of such party for such office, except as provided in section 9-416a.

(b) If a candidacy for nomination by a political party to a district office is filed by or on behalf of any person other than a party-endorsed candidate within the time specified in subsection (b) of section 9-400 and in conformity with the provisions of section 9-400, a primary shall be held in each municipality of the district and each part of a municipality which is a component part of the district, to determine the nominee of such party for such office, except as provided in section 9-416a.

(c) If a candidacy for nomination by a political party to a municipal office is filed by or on behalf of any person other than a party-endorsed candidate within the applicable time specified in section 9-405 and in conformity with the provisions of sections 9-405, 9-406, 9-406a, 9-409, 9-410, 9-412 and 9-414, a primary shall be held in the municipality or political subdivision thereof in which the nomination for municipal office is to be made, to determine the nominee of such party for such office, except as provided in section 9-418.

(d) If candidacies numbering at least twenty-five per cent of the number of town committee members to be elected by a party either in the municipality or in the political subdivision, as the case may be, are filed by or on behalf of persons other than party-endorsed candidates within the time specified in subdivision (1) of subsection (a) of section 9-405 and in conformity with the provisions of sections 9-405, 9-406, 9-406a, 9-409 to 9-412, inclusive, and 9-414, a primary shall be held in the municipality or political subdivision thereof in which members of a town committee are to be elected, to elect the members of the town committee, except as provided in sections 9-419 and 9-421.