(a) Nothing in this chapter shall prohibit any parent or guardian from distributing any harmful matter to his child or ward or permitting his child or ward to attend an exhibition of any harmful matter if the child or ward is accompanied by him.
(b) Nothing in this chapter shall prohibit any person from exhibiting any harmful matter to any of the following:
(1) A minor who is accompanied by his parent or guardian.
(2) A minor who is accompanied by an adult who represents himself to be the parent or guardian of the minor and whom the person, by the exercise of reasonable care, does not have reason to know is not the parent or guardian of the minor.
(Amended by Stats. 1970, Ch. 257.)