Cal. Penal Code § 69

Every person who attempts, by means of any threat or violence, to deter or prevent an executive officer from performing any duty imposed upon such officer by law, or who knowingly resists, by the use of force or violence, such officer, in the performance of his duty, is punishable by a fine not exceeding ten thousand dollars ($10,000), or by imprisonment pursuant to subdivision (h) of Section 1170, or in a county jail not exceeding one year, or by both such fine and imprisonment.