What You Need To Know To Vote In California's Presidential Primary

Registered As No Party Preference? You Need To Request Presidential Primary Ballot

If voters are registered as nonpartisan they can request a ballot from the American Independent, Democratic and Libertarian parties. If they would like to vote in the Republican, Green or Peace and Freedom party they will have to register to vote for that party before they can vote in the primary.

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This week, the San Diego County Registrar of Voters will begin mailing out 1.8 million postcards to remind voters that their political party registration determines which presidential primary ballot they will receive for the March election.

No party preference or nonpartisan voters can request a ballot from the Democratic, American Independent and Libertarian parties. If you're registered as nonpartisan and are a permanent mail ballot voter, you'll need to do this by Jan. 6.

Nonpartisan voters who want to vote in the Republican, Green or Peace and Freedom party will have to re-register to vote with the respective party in order to cast a ballot in the primary. The registrar's office is asking voters to do this before Feb. 17.

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Nearly 550,000 people in San Diego County are registered as nonpartisan or no party preference.

San Diego County Registrar of Voters Michael Vu joined Midday Edition on Tuesday to discuss preparations for the upcoming presidential primary.