On May 14, the California Assembly Appropriations Committee passed AB 909. It had previously passed the Assembly Elections Committee. It provides that at the polls on primary election day, elections officials must inform independent voters that they are free to choose the primary ballot of any party that has agreed to let independent voters vote in its primaries.
Currently, polling place officials are not supposed to tell independent voters that they are free to request a Republican ballot, or a Democratic ballot, or an American Independent ballot. The independent voter is supposed to know that already, but many do not know it.
The other qualified parties in California (Green, Libertarian, Peace & Freedom) do not permit independent voters to vote in their primaries. Also, the Republican Party lets independents vote in its primary for Congress and state office, but does not let them vote in its presidential primary.