CALIFORNIA EVIDENCE: CIVIL AND CRIMINAL
...Privileges
......Source and Nature of Privileges
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Privileged communications defined.

Except where specific statutory privilege applies, no right to refuse to testify to or disclose information or things.

Nature and public policy of privileges.

Differences between state and federal jurisprudence on law of privileges.

There can be no discovery of that which is privileged.

Privileges contained in Evid. Code are exclusive to and courts are not free to create new ones; limited privacy exception for consumer bank records.