When an officer discharges ex officio the duties of another office than that to which he is elected or appointed, his official signature and attestation shall be in the name of the office the duties of which he discharges.
Cal. Gov. Code § 1220
Miscellaneous
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.