Are you required by law to carry an identification card?

A coworker of mine mentioned today that there is no law on the books that require that you to have an identification card of some kind on you in California. He went on to add that if a police officer asks you for ID that you can refuse and that he has to get a "bench warrant" to proceed further, or let... show more A coworker of mine mentioned today that there is no law on the books that require that you to have an identification card of some kind on you in California. He went on to add that if a police officer asks you for ID that you can refuse and that he has to get a "bench warrant" to proceed further, or let you go. This guy is notorious for suggesting such things (not to mention, the source of all sorts of conspiracy theories/urban legends that are true/etc.).

Does anyone know if this is true and, if so, where I could find it online to shut this guy up?

Thanks in advance.
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