LOS ANGELES (CBS) — Monday is the last day residents can register to vote in California’s June 5 primary election.

Voter registration forms are available online or at the Los Angeles County Registrar’s Office.

Forms are also available at libraries, post offices and city clerk offices.

Potential voters must be:

- a United States citizen

- a California resident

- 18 years of age or older on Election Day

- not in prison or county jail

To register online, visit LAVOTE.