1. In the event that the boundaries of a district have been altered, or a new district established for a candidate to be selected by a party committee since the last election in which a party candidate ran for such office, the members of the nominating committee shall be the members of the various nominating committees for that office, as provided in section 115.365 who reside within the altered or new district; provided, however, that members of nominating committees for candidates for special elections to fill vacancies conducted pursuant to section 21.130 shall be from the old districts. The chairman of the nominating committee shall be the committee chairman of the county which polled the highest vote for the party candidate for governor within the area to be represented at the last gubernatorial election.

2. In the event that a candidate is to be selected by a party committee of a new political party which has not yet elected committeemen and committeewomen in the manner provided by law, the chairman of the nominating committee shall be the provisional chairman of the party for the state, or if the political party is formed for a district or political subdivision less than the state, the chairman of the nominating committee shall be the provisional chairman of the party for such district or political subdivision. The chairman of the nominating committee shall appoint additional members of the nominating committee, not less than four in number.

3. In the event that a candidate is to be selected for nomination or election to an office by a new political party which has elected committeemen and committeewomen in the manner provided for established political parties, the members of the nominating committee shall be the same as provided in section 115.365.