Changes the dates for the presidential primary; and for the secretary of state to propose an alternative date for the primary, including to coordinate a regional primary with Alaska, Arizona, California, Hawaii, Idaho, Montana, Nevada, Oregon, or Utah.

Prohibits the proposed date from being before the earliest date permitted by the national rules of the major political parties.

Requires each party to determine which candidates are to be placed on the presidential primary ballot for that party.

Requires a ballot, if requested by a party chair, to contain a place for a voter to indicate a preference for having delegates to the party's national convention remain uncommitted.