In charging the fact of a previous conviction for a violation of Section 5652 of the Fish and Game Code, or of Section 13001 or 13002 of the Health and Safety Code or of Section 374b or 374d of the Penal Code or of Section 23111, 23112, or 23113 of the Vehicle Code, it is sufficient to state, "That the defendant, before the commission of the offense charged herein, was in (giving the title of the court in which the conviction was had) convicted of a violation of (specifying the section violated)."
Ca. Pen. Code § 969e