The Courts and magistrates before whom such proceedings are prosecuted may issue subpoenas for witnesses, and punish their disobedience in the same manner as in a criminal action.
Cal. Penal Code § 1564
Miscellaneous Provisions Respecting Special Proceedings of a Criminal Nature
Enacted 1872.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.