Members of the Legislature who did not take the oath of office at the assembling of the Legislature may take the oath at any time during the term for which they were elected.
Cal. Gov. Code § 9024
Meeting and Organization of the Legislature
Enacted by Stats. 1943, Ch. 134.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.