The provisions of this chapter shall not apply to the following:
(a) The distribution of United States mail, telegrams or other matter preempted by state or federal law;
(b) The posting of legally required notices;
(c) Distribution of any notices or other written material by persons employed by or acting at the behest of the city, state of California or the federal government.
(Ord. 790 § 27 (part), 1999)